Removed build folder

PyCTBN/build/lib/PyCTBN/__init__.py

@@ -1,8 +0,0 @@
-import PyCTBN.estimators
-from PyCTBN.estimators import *
-import PyCTBN.optimizers
-from PyCTBN.optimizers import *
-import PyCTBN.structure_graph
-from PyCTBN.structure_graph import *
-import PyCTBN.utility
-from PyCTBN.utility import *

PyCTBN/build/lib/PyCTBN/estimators/__init__.py

@@ -1,5 +0,0 @@
-from .fam_score_calculator import FamScoreCalculator
-from .parameters_estimator import ParametersEstimator
-from .structure_estimator import StructureEstimator
-from .structure_constraint_based_estimator import StructureConstraintBasedEstimator
-from .structure_score_based_estimator import StructureScoreBasedEstimator

PyCTBN/build/lib/PyCTBN/estimators/fam_score_calculator.py

@@ -1,272 +0,0 @@
-
-import itertools
-import json
-import typing
-
-import networkx as nx
-import numpy as np
-from networkx.readwrite import json_graph
-
-from math import log
-
-from scipy.special import loggamma
-from random import choice
-
-from ..structure_graph.set_of_cims import SetOfCims
-from ..structure_graph.network_graph import NetworkGraph
-from ..structure_graph.conditional_intensity_matrix import ConditionalIntensityMatrix
-
-
-'''
-
-'''
-
-
-class FamScoreCalculator:
-    """
-    Has the task of calculating the FamScore of a node by using a Bayesian score function
-    """
-
-    def __init__(self):
-        #np.seterr('raise')
-        pass
-
-    # region theta
-
-    def marginal_likelihood_theta(self,
-                        cims: ConditionalIntensityMatrix,
-                        alpha_xu: float,
-                        alpha_xxu: float):
-        """
-        Calculate the FamScore value of the node identified by the label node_id
-
-        :param cims: np.array with all the node's cims
-        :type cims: np.array
-        :param alpha_xu: hyperparameter over the CTBN’s q parameters, default to 0.1
-        :type alpha_xu: float
-        :param alpha_xxu: distribuited hyperparameter over the CTBN’s theta parameters
-        :type alpha_xxu: float
-
-        :return: the value of the marginal likelihood over theta
-        :rtype: float
-        """
-        return np.sum(
-                        [self.variable_cim_xu_marginal_likelihood_theta(cim,
-                                                                    alpha_xu,
-                                                                    alpha_xxu)
-                        for cim in cims])
-
-    def variable_cim_xu_marginal_likelihood_theta(self,
-                        cim: ConditionalIntensityMatrix,
-                        alpha_xu: float,
-                        alpha_xxu: float):
-        """
-        Calculate the value of the marginal likelihood over theta given a cim
-
-        :param cim: A conditional_intensity_matrix object with the sufficient statistics
-        :type cim: class:'ConditionalIntensityMatrix'
-        :param alpha_xu: hyperparameter over the CTBN’s q parameters, default to 0.1
-        :type alpha_xu: float
-        :param alpha_xxu: distribuited hyperparameter over the CTBN’s theta parameters
-        :type alpha_xxu: float
-
-        :return: the value of the marginal likelihood over theta
-        :rtype: float
-        """
-
-        'get cim length'
-        values = len(cim._state_residence_times)
-
-        'compute the marginal likelihood for the current cim'
-        return np.sum([
-                    self.single_cim_xu_marginal_likelihood_theta(
-                                                index,
-                                                cim,
-                                                alpha_xu,
-                                                alpha_xxu)
-                    for index in range(values)])
-
-    def single_cim_xu_marginal_likelihood_theta(self,
-                    index: int,
-                    cim: ConditionalIntensityMatrix,
-                    alpha_xu: float,
-                    alpha_xxu: float):
-        """
-        Calculate the marginal likelihood on q of the node when assumes a specif value
-        and a specif parents's assignment
-
-        :param cim: A conditional_intensity_matrix object with the sufficient statistics
-        :type cim: class:'ConditionalIntensityMatrix'
-        :param alpha_xu: hyperparameter over the CTBN’s q parameters
-        :type alpha_xu: float
-        :param alpha_xxu: distribuited hyperparameter over the CTBN’s theta parameters
-        :type alpha_xxu: float
-
-        :return: the value of the marginal likelihood over theta when the node assumes a specif value
-        :rtype: float
-        """
-
-        values = list(range(len(cim._state_residence_times)))
-
-        'remove the index because of the x != x^ condition in the summation '
-        values.remove(index)
-
-        'uncomment for alpha xx not uniform'
-        #alpha_xxu = alpha_xu * cim.state_transition_matrix[index,index_x_first] / cim.state_transition_matrix[index, index])
-
-        return (loggamma(alpha_xu) - loggamma(alpha_xu + cim.state_transition_matrix[index, index])) \
-                + \
-                np.sum([self.single_internal_cim_xxu_marginal_likelihood_theta(
-                                                                        cim.state_transition_matrix[index,index_x_first],
-                                                                        alpha_xxu)
-                for index_x_first in values])
-
-
-    def single_internal_cim_xxu_marginal_likelihood_theta(self,
-                                                M_xxu_suff_stats: float,
-                                                alpha_xxu: float=1):
-        """Calculate the second part of the marginal likelihood over theta formula
-        
-        :param M_xxu_suff_stats: value of the suffucient statistic M[xx'|u]
-        :type M_xxu_suff_stats: float
-        :param alpha_xxu: distribuited hyperparameter over the CTBN’s theta parameters
-        :type alpha_xxu: float
-
-        :return: the value of the marginal likelihood over theta when the node assumes a specif value
-        :rtype: float
-        """
-        return loggamma(alpha_xxu+M_xxu_suff_stats) - loggamma(alpha_xxu)
-
-    # endregion
-
-    # region q
-
-    def marginal_likelihood_q(self,
-                        cims: np.array,
-                        tau_xu: float=0.1,
-                        alpha_xu: float=1):
-        """
-        Calculate the value of the marginal likelihood over q of the node identified by the label node_id
-        
-        :param cims: np.array with all the node's cims
-        :type cims: np.array
-        :param tau_xu: hyperparameter over the CTBN’s q parameters
-        :type tau_xu: float
-        :param alpha_xu: hyperparameter over the CTBN’s q parameters
-        :type alpha_xu: float
-
-
-        :return: the value of the marginal likelihood over q
-        :rtype: float
-        """
-
-        return np.sum([self.variable_cim_xu_marginal_likelihood_q(cim, tau_xu, alpha_xu) for cim in cims])
-
-    def variable_cim_xu_marginal_likelihood_q(self,
-                        cim: ConditionalIntensityMatrix,
-                        tau_xu: float=0.1,
-                        alpha_xu: float=1):
-        """
-        Calculate the value of the marginal likelihood over q given a cim
-        
-        :param cim: A conditional_intensity_matrix object with the sufficient statistics
-        :type cim: class:'ConditionalIntensityMatrix'
-        :param tau_xu: hyperparameter over the CTBN’s q parameters
-        :type tau_xu: float
-        :param alpha_xu: hyperparameter over the CTBN’s q parameters
-        :type alpha_xu: float
-
-
-        :return: the value of the marginal likelihood over q
-        :rtype: float
-        """
-
-        'get cim length'
-        values=len(cim._state_residence_times)
-
-        'compute the marginal likelihood for the current cim'
-        return np.sum([
-                    self.single_cim_xu_marginal_likelihood_q(
-                                                cim.state_transition_matrix[index, index],
-                                                cim._state_residence_times[index],
-                                                tau_xu,
-                                                alpha_xu)
-                    for index in range(values)])
-
-
-    def single_cim_xu_marginal_likelihood_q(self,
-                        M_xu_suff_stats: float,
-                        T_xu_suff_stats: float,
-                        tau_xu: float=0.1,
-                        alpha_xu: float=1):
-        """
-        Calculate the marginal likelihood on q of the node when assumes a specif value
-        and a specif parents's assignment
-        
-        :param M_xu_suff_stats: value of the suffucient statistic M[x|u]
-        :type M_xxu_suff_stats: float
-        :param T_xu_suff_stats: value of the suffucient statistic T[x|u]
-        :type T_xu_suff_stats: float
-        :param cim: A conditional_intensity_matrix object with the sufficient statistics
-        :type cim: class:'ConditionalIntensityMatrix'
-        :param tau_xu: hyperparameter over the CTBN’s q parameters
-        :type tau_xu: float
-        :param alpha_xu: hyperparameter over the CTBN’s q parameters
-        :type alpha_xu: float
-
-
-        :return: the value of the marginal likelihood of the node when assumes a specif value
-        :rtype: float
-        """
-        return (
-                loggamma(alpha_xu + M_xu_suff_stats + 1) + 
-                                                        (log(tau_xu)
-                                                        *
-                                                        (alpha_xu+1))
-                ) \
-                - \
-                (loggamma(alpha_xu + 1)+(
-                                    log(tau_xu + T_xu_suff_stats) 
-                                    *
-                                    (alpha_xu + M_xu_suff_stats + 1))
-                )
-
-    # end region
-
-    def get_fam_score(self,
-                cims: np.array,
-                tau_xu: float=0.1,
-                alpha_xu: float=1):
-        """
-        Calculate the FamScore value of the node
-        
-        
-        :param cims: np.array with all the node's cims
-        :type cims: np.array
-        :param tau_xu: hyperparameter over the CTBN’s q parameters, default to 0.1
-        :type tau_xu: float, optional
-        :param alpha_xu: hyperparameter over the CTBN’s q parameters, default to 1
-        :type alpha_xu: float, optional
-
-
-        :return: the FamScore value of the node
-        :rtype: float
-        """
-        #print("------")
-        #print(self.marginal_likelihood_q(cims,
-                                    # tau_xu,
-                                    # alpha_xu))
-
-        #print(self.marginal_likelihood_theta(cims, 
-                                        # alpha_xu,
-                                        # alpha_xxu))
-        'calculate alpha_xxu as a uniform distribution'                                
-        alpha_xxu = alpha_xu /(len(cims[0]._state_residence_times) - 1)
-
-        return self.marginal_likelihood_q(cims,
-                                    tau_xu,
-                                    alpha_xu) \
-               + \
-               self.marginal_likelihood_theta(cims, 
-                                        alpha_xu,
-                                        alpha_xxu)

PyCTBN/build/lib/PyCTBN/estimators/parameters_estimator.py

@@ -1,143 +0,0 @@
-import sys
-sys.path.append('../')
-import numpy as np
-
-from ..structure_graph.network_graph import NetworkGraph
-from ..structure_graph.set_of_cims import SetOfCims
-from ..structure_graph.trajectory import Trajectory
-
-
-class ParametersEstimator(object):
-    """Has the task of computing the cims of particular node given the trajectories and the net structure
-    in the graph ``_net_graph``.
-
-    :param trajectories:  the trajectories
-    :type trajectories: Trajectory
-    :param net_graph: the net structure
-    :type net_graph: NetworkGraph
-    :_single_set_of_cims: the set of cims object that will hold the cims of the node
-    """
-
-    def __init__(self, trajectories: Trajectory, net_graph: NetworkGraph):
-        """Constructor Method
-        """
-        self._trajectories = trajectories
-        self._net_graph = net_graph
-        self._single_set_of_cims = None
-
-    def fast_init(self, node_id: str) -> None:
-        """Initializes all the necessary structures for the parameters estimation for the node ``node_id``.
-
-        :param node_id: the node label
-        :type node_id: string
-        """
-        p_vals = self._net_graph._aggregated_info_about_nodes_parents[2]
-        node_states_number = self._net_graph.get_states_number(node_id)
-        self._single_set_of_cims = SetOfCims(node_id, p_vals, node_states_number, self._net_graph.p_combs)
-
-    def compute_parameters_for_node(self, node_id: str) -> SetOfCims:
-        """Compute the CIMS of the node identified by the label ``node_id``.
-
-        :param node_id: the node label
-        :type node_id: string
-        :return: A SetOfCims object filled with the computed CIMS
-        :rtype: SetOfCims
-        """
-        node_indx = self._net_graph.get_node_indx(node_id)
-        state_res_times = self._single_set_of_cims._state_residence_times
-        transition_matrices = self._single_set_of_cims._transition_matrices
-        ParametersEstimator.compute_state_res_time_for_node(self._trajectories.times,
-                                             self._trajectories.trajectory,
-                                             self._net_graph.time_filtering,
-                                             self._net_graph.time_scalar_indexing_strucure,
-                                             state_res_times)
-        ParametersEstimator.compute_state_transitions_for_a_node(node_indx, self._trajectories.complete_trajectory,
-                                                                 self._net_graph.transition_filtering,
-                                                                 self._net_graph.transition_scalar_indexing_structure,
-                                                                 transition_matrices)
-        self._single_set_of_cims.build_cims(state_res_times, transition_matrices)
-        return self._single_set_of_cims
-
-    @staticmethod
-    def compute_state_res_time_for_node(times: np.ndarray, trajectory: np.ndarray,
-                                        cols_filter: np.ndarray, scalar_indexes_struct: np.ndarray,
-                                        T: np.ndarray) -> None:
-        """Compute the state residence times for a node and fill the matrix ``T`` with the results
-
-        :param node_indx: the index of the node
-        :type node_indx: int
-        :param times: the times deltas vector
-        :type times: numpy.array
-        :param trajectory: the trajectory
-        :type trajectory: numpy.ndArray
-        :param cols_filter: the columns filtering structure
-        :type cols_filter: numpy.array
-        :param scalar_indexes_struct: the indexing structure
-        :type scalar_indexes_struct: numpy.array
-        :param T: the state residence times vectors
-        :type T: numpy.ndArray
-        """
-        T[:] = np.bincount(np.sum(trajectory[:, cols_filter] * scalar_indexes_struct / scalar_indexes_struct[0], axis=1)
-                           .astype(np.int), \
-                           times,
-                           minlength=scalar_indexes_struct[-1]).reshape(-1, T.shape[1])
-
-    @staticmethod
-    def compute_state_transitions_for_a_node(node_indx: int, trajectory: np.ndarray, cols_filter: np.ndarray,
-                                             scalar_indexing: np.ndarray, M: np.ndarray) -> None:
-        """Compute the state residence times for a node and fill the matrices ``M`` with the results.
-
-        :param node_indx: the index of the node
-        :type node_indx: int
-        :param trajectory: the trajectory
-        :type trajectory: numpy.ndArray
-        :param cols_filter: the columns filtering structure
-        :type cols_filter: numpy.array
-        :param scalar_indexing: the indexing structure
-        :type scalar_indexing: numpy.array
-        :param M: the state transitions matrices
-        :type M: numpy.ndArray
-        """
-        diag_indices = np.array([x * M.shape[1] + x % M.shape[1] for x in range(M.shape[0] * M.shape[1])],
-                                dtype=np.int64)
-        trj_tmp = trajectory[trajectory[:, int(trajectory.shape[1] / 2) + node_indx].astype(np.int) >= 0]
-        M[:] = np.bincount(np.sum(trj_tmp[:, cols_filter] * scalar_indexing / scalar_indexing[0], axis=1).astype(np.int)
-                           , minlength=scalar_indexing[-1]).reshape(-1, M.shape[1], M.shape[2])
-        M_raveled = M.ravel()
-        M_raveled[diag_indices] = 0
-        M_raveled[diag_indices] = np.sum(M, axis=2).ravel()
-
-    def init_sets_cims_container(self):
-        self.sets_of_cims_struct = acims.SetsOfCimsContainer(self.net_graph.nodes,
-                                                             self.net_graph.nodes_values,
-                                                             self.net_graph.get_ordered_by_indx_parents_values_for_all_nodes(),
-                                                             self.net_graph.p_combs)
-
-    def compute_parameters(self):
-        #print(self.net_graph.get_nodes())
-        #print(self.amalgamated_cims_struct.sets_of_cims)
-        #enumerate(zip(self.net_graph.get_nodes(), self.amalgamated_cims_struct.sets_of_cims))
-        for indx, aggr in enumerate(zip(self.net_graph.nodes, self.sets_of_cims_struct.sets_of_cims)):
-            #print(self.net_graph.time_filtering[indx])
-            #print(self.net_graph.time_scalar_indexing_strucure[indx])
-            self.compute_state_res_time_for_node(self.net_graph.get_node_indx(aggr[0]), self.sample_path.trajectories.times,
-                                                 self.sample_path.trajectories.trajectory,
-                                                 self.net_graph.time_filtering[indx],
-                                                 self.net_graph.time_scalar_indexing_strucure[indx],
-                                                 aggr[1]._state_residence_times)
-            #print(self.net_graph.transition_filtering[indx])
-            #print(self.net_graph.transition_scalar_indexing_structure[indx])
-            self.compute_state_transitions_for_a_node(self.net_graph.get_node_indx(aggr[0]),
-                                                      self.sample_path.trajectories.complete_trajectory,
-                                                      self.net_graph.transition_filtering[indx],
-                                                      self.net_graph.transition_scalar_indexing_structure[indx],
-                                                      aggr[1]._transition_matrices)
-            aggr[1].build_cims(aggr[1]._state_residence_times, aggr[1]._transition_matrices)
-
-
-
-
-
-
-
-

PyCTBN/build/lib/PyCTBN/estimators/structure_constraint_based_estimator.py

@@ -1,238 +0,0 @@
-
-import itertools
-import json
-import typing
-
-import networkx as nx
-import numpy as np
-from networkx.readwrite import json_graph
-import os
-from scipy.stats import chi2 as chi2_dist
-from scipy.stats import f as f_dist
-from tqdm import tqdm
-
-from ..utility.cache import Cache
-from ..structure_graph.conditional_intensity_matrix import ConditionalIntensityMatrix
-from ..structure_graph.network_graph import NetworkGraph
-from .parameters_estimator import ParametersEstimator
-from .structure_estimator import StructureEstimator
-from ..structure_graph.sample_path import SamplePath
-from ..structure_graph.structure import Structure
-from ..optimizers.constraint_based_optimizer import ConstraintBasedOptimizer
-
-import concurrent.futures
-
-
-
-import multiprocessing
-from multiprocessing import Pool
-
-
-class StructureConstraintBasedEstimator(StructureEstimator):
-    """
-    Has the task of estimating the network structure given the trajectories in samplepath by using a constraint-based approach.
-
-    :param sample_path: the _sample_path object containing the trajectories and the real structure
-    :type sample_path: SamplePath
-    :param exp_test_alfa: the significance level for the exponential Hp test
-    :type exp_test_alfa: float
-    :param chi_test_alfa: the significance level for the chi Hp test
-    :type chi_test_alfa: float
-    :_nodes: the nodes labels
-    :_nodes_vals: the nodes cardinalities
-    :_nodes_indxs: the nodes indexes
-    :_complete_graph: the complete directed graph built using the nodes labels in ``_nodes``
-    :_cache: the Cache object
-    """
-
-    def __init__(self, sample_path: SamplePath, exp_test_alfa: float, chi_test_alfa: float,known_edges: typing.List= [],thumb_threshold:int = 25):
-        super().__init__(sample_path,known_edges)
-        self._exp_test_sign = exp_test_alfa
-        self._chi_test_alfa = chi_test_alfa
-        self._thumb_threshold = thumb_threshold
-        self._cache = Cache()
-
-    def complete_test(self, test_parent: str, test_child: str, parent_set: typing.List, child_states_numb: int,
-                      tot_vars_count: int, parent_indx, child_indx) -> bool:
-        """Performs a complete independence test on the directed graphs G1 = {test_child U parent_set}
-        G2 = {G1 U test_parent} (added as an additional parent of the test_child).
-        Generates all the necessary structures and datas to perform the tests.
-
-        :param test_parent: the node label of the test parent
-        :type test_parent: string
-        :param test_child: the node label of the child
-        :type test_child: string
-        :param parent_set: the common parent set
-        :type parent_set: List
-        :param child_states_numb: the cardinality of the ``test_child``
-        :type child_states_numb: int
-        :param tot_vars_count: the total number of variables in the net
-        :type tot_vars_count: int
-        :return: True iff test_child and test_parent are independent given the sep_set parent_set. False otherwise
-        :rtype: bool
-        """
-        p_set = parent_set[:]
-        complete_info = parent_set[:]
-        complete_info.append(test_child)
-
-        parents = np.array(parent_set)
-        parents = np.append(parents, test_parent)
-        sorted_parents = self._nodes[np.isin(self._nodes, parents)]
-        cims_filter = sorted_parents != test_parent
-
-        p_set.insert(0, test_parent)
-        sofc2 = self._cache.find(set(p_set))
-
-        if not sofc2:
-            complete_info.append(test_parent)
-            bool_mask2 = np.isin(self._nodes, complete_info)
-            l2 = list(self._nodes[bool_mask2])
-            indxs2 = self._nodes_indxs[bool_mask2]
-            vals2 = self._nodes_vals[bool_mask2]
-            eds2 = list(itertools.product(p_set, test_child))
-            s2 = Structure(l2, indxs2, vals2, eds2, tot_vars_count)
-            g2 = NetworkGraph(s2)
-            g2.fast_init(test_child)
-            p2 = ParametersEstimator(self._sample_path.trajectories, g2)
-            p2.fast_init(test_child)
-            sofc2 = p2.compute_parameters_for_node(test_child)
-            self._cache.put(set(p_set), sofc2)
-
-        del p_set[0]
-        sofc1 = self._cache.find(set(p_set))
-        if not sofc1:
-            g2.remove_node(test_parent)
-            g2.fast_init(test_child)
-            p2 = ParametersEstimator(self._sample_path.trajectories, g2)
-            p2.fast_init(test_child)
-            sofc1 = p2.compute_parameters_for_node(test_child)
-            self._cache.put(set(p_set), sofc1)
-        thumb_value = 0.0
-        if child_states_numb > 2:
-            parent_val = self._sample_path.structure.get_states_number(test_parent)
-            bool_mask_vals = np.isin(self._nodes, parent_set)
-            parents_vals = self._nodes_vals[bool_mask_vals]
-            thumb_value = self.compute_thumb_value(parent_val, child_states_numb, parents_vals)
-        for cim1, p_comb in zip(sofc1.actual_cims, sofc1.p_combs):
-            cond_cims = sofc2.filter_cims_with_mask(cims_filter, p_comb)
-            for cim2 in cond_cims:
-                if not self.independence_test(child_states_numb, cim1, cim2, thumb_value, parent_indx, child_indx):
-                    return False
-        return True
-
-    def independence_test(self, child_states_numb: int, cim1: ConditionalIntensityMatrix,
-                          cim2: ConditionalIntensityMatrix, thumb_value: float, parent_indx, child_indx) -> bool:
-        """Compute the actual independence test using two cims.
-        It is performed first the exponential test and if the null hypothesis is not rejected,
-        it is performed also the chi_test.
-
-        :param child_states_numb: the cardinality of the test child
-        :type child_states_numb: int
-        :param cim1: a cim belonging to the graph without test parent
-        :type cim1: ConditionalIntensityMatrix
-        :param cim2: a cim belonging to the graph with test parent
-        :type cim2: ConditionalIntensityMatrix
-        :return: True iff both tests do NOT reject the null hypothesis of independence. False otherwise.
-        :rtype: bool
-        """
-        M1 = cim1.state_transition_matrix
-        M2 = cim2.state_transition_matrix
-        r1s = M1.diagonal()
-        r2s = M2.diagonal()
-        C1 = cim1.cim
-        C2 = cim2.cim
-        if child_states_numb > 2:
-            if (np.sum(np.diagonal(M1)) / thumb_value) < self._thumb_threshold:
-                self._removable_edges_matrix[parent_indx][child_indx] = False
-                return False
-        F_stats = C2.diagonal() / C1.diagonal()
-        exp_alfa = self._exp_test_sign
-        for val in range(0, child_states_numb):
-            if F_stats[val] < f_dist.ppf(exp_alfa / 2, r1s[val], r2s[val]) or \
-                    F_stats[val] > f_dist.ppf(1 - exp_alfa / 2, r1s[val], r2s[val]):
-                return False
-        M1_no_diag = M1[~np.eye(M1.shape[0], dtype=bool)].reshape(M1.shape[0], -1)
-        M2_no_diag = M2[~np.eye(M2.shape[0], dtype=bool)].reshape(
-            M2.shape[0], -1)
-        chi_2_quantile = chi2_dist.ppf(1 - self._chi_test_alfa, child_states_numb - 1)
-        Ks = np.sqrt(r1s / r2s)
-        Ls = np.sqrt(r2s / r1s)
-        for val in range(0, child_states_numb):
-            Chi = np.sum(np.power(Ks[val] * M2_no_diag[val] - Ls[val] *M1_no_diag[val], 2) /
-                         (M1_no_diag[val] + M2_no_diag[val]))
-            if Chi > chi_2_quantile:
-                return False
-        return True
-        
-    def compute_thumb_value(self, parent_val, child_val, parent_set_vals):
-        """Compute the value to test against the thumb_threshold.
-        
-        :param parent_val: test parent's variable cardinality
-        :type parent_val: int
-        :param child_val: test child's variable cardinality
-        :type child_val: int
-        :param parent_set_vals: the cardinalities of the nodes in the current sep-set
-        :type parent_set_vals: List
-        :return: the thumb value for the current independence test
-        :rtype: int
-        """
-        df = (child_val - 1) ** 2
-        df = df * parent_val
-        for v in parent_set_vals:
-            df = df * v
-        return df
-        
-    def one_iteration_of_CTPC_algorithm(self, var_id: str, tot_vars_count: int)-> typing.List:
-        """Performs an iteration of the CTPC algorithm using the node ``var_id`` as ``test_child``.
-
-        :param var_id: the node label of the test child
-        :type var_id: string
-        """
-        optimizer_obj = ConstraintBasedOptimizer(
-                                                            node_id = var_id,
-                                                            structure_estimator = self,
-                                                            tot_vars_count = tot_vars_count)
-        return optimizer_obj.optimize_structure()
-
-    
-    def ctpc_algorithm(self,disable_multiprocessing:bool= False ):
-        """Compute the CTPC algorithm over the entire net.
-        """
-        ctpc_algo = self.one_iteration_of_CTPC_algorithm
-        total_vars_numb = self._sample_path.total_variables_count
-
-        n_nodes= len(self._nodes)
-
-        total_vars_numb_array =  [total_vars_numb] *  n_nodes
-
-        'get the number of CPU'
-        cpu_count = multiprocessing.cpu_count()
-
-
-
-        'Remove all the edges from the structure'   
-        self._sample_path.structure.clean_structure_edges()
-
-        'Estimate the best parents for each node'
-        #with multiprocessing.Pool(processes=cpu_count) as pool:
-        #with get_context("spawn").Pool(processes=cpu_count) as pool:
-        if disable_multiprocessing:
-            print("DISABILITATO")
-            cpu_count = 1
-            list_edges_partial = [ctpc_algo(n,total_vars_numb) for n in self._nodes]
-        else:
-            with concurrent.futures.ProcessPoolExecutor(max_workers=cpu_count) as executor:
-                list_edges_partial = executor.map(ctpc_algo,
-                                                                 self._nodes,
-                                                                 total_vars_numb_array)
-            #list_edges_partial = [ctpc_algo(n,total_vars_numb) for n in self._nodes]
-
-        return set(itertools.chain.from_iterable(list_edges_partial))
-
-        
-    def estimate_structure(self,disable_multiprocessing:bool=False):
-        return self.ctpc_algorithm(disable_multiprocessing=disable_multiprocessing)
-
-    
-
-

PyCTBN/build/lib/PyCTBN/estimators/structure_estimator.py

@@ -1,187 +0,0 @@
-
-import itertools
-import json
-import typing
-
-import matplotlib.pyplot as plt
-import networkx as nx
-import numpy as np
-from networkx.readwrite import json_graph
-
-from abc import ABC
-
-import abc
-
-from ..utility.cache import Cache
-from ..structure_graph.conditional_intensity_matrix import ConditionalIntensityMatrix
-from ..structure_graph.network_graph import NetworkGraph
-from .parameters_estimator import ParametersEstimator
-from ..structure_graph.sample_path import SamplePath
-from ..structure_graph.structure import Structure
-
-
-class StructureEstimator(object):
-    """Has the task of estimating the network structure given the trajectories in ``samplepath``.
-
-    :param sample_path: the _sample_path object containing the trajectories and the real structure
-    :type sample_path: SamplePath
-    :_nodes: the nodes labels
-    :_nodes_vals: the nodes cardinalities
-    :_nodes_indxs: the nodes indexes
-    :_complete_graph: the complete directed graph built using the nodes labels in ``_nodes``
-    """
-
-    def __init__(self, sample_path: SamplePath, known_edges: typing.List = None):
-        self._sample_path = sample_path
-        self._nodes = np.array(self._sample_path.structure.nodes_labels)
-        self._nodes_vals = self._sample_path.structure.nodes_values
-        self._nodes_indxs = self._sample_path.structure.nodes_indexes
-        self._removable_edges_matrix = self.build_removable_edges_matrix(known_edges)
-        self._complete_graph = StructureEstimator.build_complete_graph(self._sample_path.structure.nodes_labels)
-        
-
-    def build_removable_edges_matrix(self, known_edges: typing.List):
-        """Builds a boolean matrix who shows if a edge could be removed or not, based on prior knowledge given:
-
-        :param known_edges: the list of nodes labels
-        :type known_edges: List
-        :return: a boolean matrix
-        :rtype: np.ndarray
-        """
-        tot_vars_count = self._sample_path.total_variables_count
-        complete_adj_matrix = np.full((tot_vars_count, tot_vars_count), True)
-        if known_edges:
-            for edge in known_edges:
-                i = self._sample_path.structure.get_node_indx(edge[0])
-                j = self._sample_path.structure.get_node_indx(edge[1])
-                complete_adj_matrix[i][j] = False
-        return complete_adj_matrix
-
-    @staticmethod
-    def build_complete_graph(node_ids: typing.List) -> nx.DiGraph:
-        """Builds a complete directed graph (no self loops) given the nodes labels in the list ``node_ids``:
-
-        :param node_ids: the list of nodes labels
-        :type node_ids: List
-        :return: a complete Digraph Object
-        :rtype: networkx.DiGraph
-        """
-        complete_graph = nx.DiGraph()
-        complete_graph.add_nodes_from(node_ids)
-        complete_graph.add_edges_from(itertools.permutations(node_ids, 2))
-        return complete_graph
-
-
-    @staticmethod
-    def generate_possible_sub_sets_of_size( u: typing.List, size: int, parent_label: str):
-        """Creates a list containing all possible subsets of the list ``u`` of size ``size``,
-        that do not contains a the node identified by ``parent_label``.
-
-        :param u: the list of nodes
-        :type u: List
-        :param size: the size of the subsets
-        :type size: int
-        :param parent_label: the node to exclude in the subsets generation
-        :type parent_label: string
-        :return: an Iterator Object containing a list of lists
-        :rtype: Iterator
-        """
-        list_without_test_parent = u[:]
-        list_without_test_parent.remove(parent_label)
-        return map(list, itertools.combinations(list_without_test_parent, size))
-
-    def save_results(self) -> None:
-        """Save the estimated Structure to a .json file in the path where the data are loaded from.
-        The file is named as the input dataset but the `results_` word is appended to the results file.
-        """
-        res = json_graph.node_link_data(self._complete_graph)
-        name = self._sample_path._importer.file_path.rsplit('/', 1)[-1]
-        name = name.split('.', 1)[0]
-        name += '_' + str(self._sample_path._importer.dataset_id())
-        name += '.json'
-        file_name = 'results_' + name
-        with open(file_name, 'w') as f:
-            json.dump(res, f)
-
-
-    def remove_diagonal_elements(self, matrix):
-        m = matrix.shape[0]
-        strided = np.lib.stride_tricks.as_strided
-        s0, s1 = matrix.strides
-        return strided(matrix.ravel()[1:], shape=(m - 1, m), strides=(s0 + s1, s1)).reshape(m, -1)
-
-
-    @abc.abstractmethod
-    def estimate_structure(self) -> typing.List:
-        """Abstract method to estimate the structure
-
-        :return: List of estimated edges
-        :rtype: Typing.List
-        """
-        pass
-
-    
-    def adjacency_matrix(self) -> np.ndarray:
-        """Converts the estimated structure ``_complete_graph`` to a boolean adjacency matrix representation.
-
-        :return: The adjacency matrix of the graph ``_complete_graph``
-        :rtype: numpy.ndArray
-        """
-        return nx.adj_matrix(self._complete_graph).toarray().astype(bool)
-
-    def spurious_edges(self) -> typing.List:
-        """Return the spurious edges present in the estimated structure, if a prior net structure is present in
-            ``_sample_path.structure``.
-
-        :return: A list containing the spurious edges
-        :rtype: List
-        """
-        if not self._sample_path.has_prior_net_structure:
-            raise RuntimeError("Can not compute spurious edges with no prior net structure!")
-        real_graph = nx.DiGraph()
-        real_graph.add_nodes_from(self._sample_path.structure.nodes_labels)
-        real_graph.add_edges_from(self._sample_path.structure.edges)
-        return nx.difference(real_graph, self._complete_graph).edges
-
-    def save_plot_estimated_structure_graph(self) -> None:
-        """Plot the estimated structure in a graphical model style.
-        Spurious edges are colored in red.
-        """
-        graph_to_draw = nx.DiGraph()
-        spurious_edges = self.spurious_edges()
-        non_spurious_edges = list(set(self._complete_graph.edges) - set(spurious_edges))
-        print(non_spurious_edges)
-        edges_colors = ['red' if edge in spurious_edges else 'black' for edge in self._complete_graph.edges]
-        graph_to_draw.add_edges_from(spurious_edges)
-        graph_to_draw.add_edges_from(non_spurious_edges)
-        pos = nx.spring_layout(graph_to_draw, k=0.5*1/np.sqrt(len(graph_to_draw.nodes())), iterations=50,scale=10)
-        options = {
-            "node_size": 2000,
-            "node_color": "white",
-            "edgecolors": "black",
-            'linewidths':2,
-            "with_labels":True,
-            "font_size":13,
-            'connectionstyle': 'arc3, rad = 0.1',
-            "arrowsize": 15,
-            "arrowstyle": '<|-',
-            "width": 1,
-            "edge_color":edges_colors,
-        }
-
-        nx.draw(graph_to_draw, pos, **options)
-        ax = plt.gca()
-        ax.margins(0.20)
-        plt.axis("off")
-        name = self._sample_path._importer.file_path.rsplit('/', 1)[-1]
-        name = name.split('.', 1)[0]
-        name += '_' + str(self._sample_path._importer.dataset_id())
-        name += '.png'
-        plt.savefig(name)
-        plt.clf()
-        print("Estimated Structure Plot Saved At: ", os.path.abspath(name))
-
-
-
-
-

PyCTBN/build/lib/PyCTBN/estimators/structure_score_based_estimator.py

@@ -1,244 +0,0 @@
-
-import itertools
-import json
-import typing
-
-import networkx as nx
-import numpy as np
-from networkx.readwrite import json_graph
-
-from random import choice
-
-import concurrent.futures
-
-import copy
-
-from ..structure_graph.conditional_intensity_matrix import ConditionalIntensityMatrix
-from ..structure_graph.network_graph import NetworkGraph
-from .parameters_estimator import ParametersEstimator
-from .structure_estimator import StructureEstimator
-from ..structure_graph.sample_path import SamplePath
-from ..structure_graph.structure import Structure
-from .fam_score_calculator import FamScoreCalculator
-from ..optimizers.hill_climbing_search import HillClimbing
-from ..optimizers.tabu_search import TabuSearch
-
-
-import multiprocessing
-from multiprocessing import Pool
-
-
-
-
-class StructureScoreBasedEstimator(StructureEstimator):
-    """
-    Has the task of estimating the network structure given the trajectories in samplepath by
-    using a score based approach.
-
-    :param sample_path: the _sample_path object containing the trajectories and the real structure
-    :type sample_path: SamplePath
-    :param tau_xu: hyperparameter over the CTBN’s q parameters, default to 0.1
-    :type tau_xu: float, optional
-    :param alpha_xu: hyperparameter over the CTBN’s q parameters, default to 1
-    :type alpha_xu: float, optional
-    :param known_edges: List of known edges, default to []
-    :type known_edges: List, optional
-
-    """
-
-    def __init__(self, sample_path: SamplePath, tau_xu:int=0.1, alpha_xu:int = 1,known_edges: typing.List= []):
-        super().__init__(sample_path,known_edges)
-        self.tau_xu=tau_xu
-        self.alpha_xu=alpha_xu
-
-
-    def estimate_structure(self, max_parents:int = None, iterations_number:int= 40,
-                         patience:int = None, tabu_length:int = None, tabu_rules_duration:int = None,
-                         optimizer: str = 'tabu',disable_multiprocessing:bool= False ):
-        """
-        Compute the score-based algorithm to find the optimal structure
-
-        :param max_parents: maximum number of parents for each variable. If None, disabled, default to None
-        :type max_parents: int, optional
-        :param iterations_number: maximum number of optimization algorithm's iteration, default to 40
-        :type iterations_number: int, optional
-        :param patience: number of iteration without any improvement before to stop the search.If None, disabled, default to None
-        :type patience: int, optional
-        :param tabu_length: maximum lenght of the data structures used in the optimization process, default to None
-        :type tabu_length: int, optional
-        :param tabu_rules_duration: number of iterations in which each rule keeps its value, default to None
-        :type tabu_rules_duration: int, optional
-        :param optimizer: name of the optimizer algorithm. Possible values: 'hill' (Hill climbing),'tabu' (tabu search), defualt to 'tabu'
-        :type optimizer: string, optional
-        :param disable_multiprocessing: true if you desire to disable the multiprocessing operations, default to False
-        :type disable_multiprocessing: Boolean, optional
-        """
-        'Save the true edges structure in tuples'
-        true_edges = copy.deepcopy(self._sample_path.structure.edges)
-        true_edges = set(map(tuple, true_edges))
-
-        'Remove all the edges from the structure'   
-        self._sample_path.structure.clean_structure_edges()
-
-        estimate_parents = self.estimate_parents
-
-        n_nodes= len(self._nodes)
-        
-        l_max_parents= [max_parents] * n_nodes
-        l_iterations_number = [iterations_number] * n_nodes
-        l_patience = [patience] * n_nodes
-        l_tabu_length = [tabu_length] * n_nodes
-        l_tabu_rules_duration = [tabu_rules_duration] * n_nodes
-        l_optimizer = [optimizer] * n_nodes
-
-
-        'get the number of CPU'
-        cpu_count = multiprocessing.cpu_count()
-        print(f"CPU COUNT: {cpu_count}")
-
-        if disable_multiprocessing:
-            cpu_count = 1
-
-        
-
-
-
-        #with get_context("spawn").Pool(processes=cpu_count) as pool:
-        #with multiprocessing.Pool(processes=cpu_count) as pool:
-
-        'Estimate the best parents for each node'
-        if disable_multiprocessing:
-            list_edges_partial = [estimate_parents(n,max_parents,iterations_number,patience,tabu_length,tabu_rules_duration,optimizer) for n in self._nodes]
-        else:
-            with concurrent.futures.ProcessPoolExecutor(max_workers=cpu_count) as executor:
-                list_edges_partial = executor.map(estimate_parents, 
-                                                            self._nodes,
-                                                            l_max_parents,
-                                                            l_iterations_number,
-                                                            l_patience,
-                                                            l_tabu_length,
-                                                            l_tabu_rules_duration,
-                                                            l_optimizer)
-
-
-
-            #list_edges_partial = p.map(estimate_parents, self._nodes)
-            #list_edges_partial= estimate_parents('Q',max_parents,iterations_number,patience,tabu_length,tabu_rules_duration,optimizer) 
-
-        'Concatenate all the edges list'
-        set_list_edges =  set(itertools.chain.from_iterable(list_edges_partial))
-
-        #print('-------------------------')
-
-
-        'calculate precision and recall'
-        n_missing_edges = 0
-        n_added_fake_edges = 0
-
-        try:
-            n_added_fake_edges = len(set_list_edges.difference(true_edges))
-
-            n_missing_edges = len(true_edges.difference(set_list_edges))
-
-            n_true_positive = len(true_edges) - n_missing_edges
-
-            precision = n_true_positive / (n_true_positive + n_added_fake_edges)
-
-            recall = n_true_positive / (n_true_positive + n_missing_edges)
-
-
-            # print(f"n archi reali non trovati: {n_missing_edges}")
-            # print(f"n archi non reali aggiunti: {n_added_fake_edges}")
-            print(true_edges)
-            print(set_list_edges)
-            print(f"precision: {precision} ")
-            print(f"recall: {recall} ")
-        except Exception as e: 
-            print(f"errore: {e}")
-
-        return set_list_edges
-    
-
-    def estimate_parents(self,node_id:str, max_parents:int = None, iterations_number:int= 40,
-                            patience:int = 10, tabu_length:int = None, tabu_rules_duration:int=5, 
-                            optimizer:str = 'hill' ):
-        """
-        Use the FamScore of a node in order to find the best parent nodes
-        
-        :param node_id: current node's id
-        :type node_id: string
-        :param max_parents: maximum number of parents for each variable. If None, disabled, default to None
-        :type max_parents: int, optional
-        :param iterations_number: maximum number of optimization algorithm's iteration, default to 40
-        :type iterations_number: int, optional
-        :param patience: number of iteration without any improvement before to stop the search.If None, disabled, default to None
-        :type patience: int, optional
-        :param tabu_length: maximum lenght of the data structures used in the optimization process, default to None
-        :type tabu_length: int, optional
-        :param tabu_rules_duration: number of iterations in which each rule keeps its value, default to None
-        :type tabu_rules_duration: int, optional
-        :param optimizer: name of the optimizer algorithm. Possible values: 'hill' (Hill climbing),'tabu' (tabu search), defualt to 'tabu'
-        :type optimizer: string, optional
-
-        :return: A list of the best edges for the currente node
-        :rtype: List
-        """
-
-        "choose the optimizer algotithm"
-        if optimizer == 'tabu':
-            optimizer = TabuSearch(
-                        node_id = node_id,
-                        structure_estimator = self,
-                        max_parents = max_parents,
-                        iterations_number = iterations_number,
-                        patience = patience,
-                        tabu_length = tabu_length,
-                        tabu_rules_duration = tabu_rules_duration)
-        else: #if optimizer == 'hill':
-            optimizer = HillClimbing(
-                                    node_id = node_id,
-                                    structure_estimator = self,
-                                    max_parents = max_parents,
-                                    iterations_number = iterations_number,
-                                    patience = patience)
-
-        "call the optmizer's function that calculates the current node's parents"
-        return optimizer.optimize_structure()
-
-    
-    def get_score_from_graph(self,
-                            graph: NetworkGraph,
-                            node_id:str):
-        """
-        Get the FamScore of a node 
-        
-        :param node_id: current node's id
-        :type node_id: string
-        :param graph: current graph to be computed
-        :type graph: class:'NetworkGraph'
-
-
-        :return: The FamSCore for this graph structure
-        :rtype: float
-        """
-
-        'inizialize the graph for a single node'
-        graph.fast_init(node_id) 
-
-        params_estimation = ParametersEstimator(self._sample_path.trajectories, graph)
-
-        'Inizialize and compute parameters for node'
-        params_estimation.fast_init(node_id)
-        SoCims = params_estimation.compute_parameters_for_node(node_id)
-
-        'calculate the FamScore for the node'
-        fam_score_obj = FamScoreCalculator()
-
-        score = fam_score_obj.get_fam_score(SoCims.actual_cims,tau_xu = self.tau_xu,alpha_xu=self.alpha_xu)
-        
-        #print(f" lo score per {node_id} risulta: {score} ")
-        return score 
-
-
-
-

PyCTBN/build/lib/PyCTBN/optimizers/__init__.py

@@ -1,4 +0,0 @@
-from .optimizer import Optimizer
-from .tabu_search import TabuSearch
-from .hill_climbing_search import HillClimbing
-from .constraint_based_optimizer import ConstraintBasedOptimizer

PyCTBN/build/lib/PyCTBN/optimizers/constraint_based_optimizer.py

@@ -1,87 +0,0 @@
-
-import itertools
-import json
-import typing
-
-import networkx as nx
-import numpy as np
-
-from random import choice
-
-from abc import ABC
-
-import copy
-
-
-from .optimizer import Optimizer
-from ..estimators.structure_estimator import StructureEstimator
-from ..structure_graph.network_graph import NetworkGraph
-
-
-class ConstraintBasedOptimizer(Optimizer):
-    """
-    Optimizer class that implement a CTPC Algorithm
-
-    :param node_id: current node's id
-    :type node_id: string
-    :param structure_estimator: a structure estimator object with the information about the net
-    :type structure_estimator: class:'StructureEstimator' 
-    :param tot_vars_count: number of variables in the dataset
-    :type tot_vars_count: int
-    """
-    def __init__(self,
-                node_id:str,
-                structure_estimator: StructureEstimator,
-                tot_vars_count:int
-                ):
-        """
-        Constructor
-        """
-        super().__init__(node_id, structure_estimator)
-        self.tot_vars_count = tot_vars_count
-        
-
-
-    def optimize_structure(self):
-        """
-        Compute Optimization process for a structure_estimator by using a CTPC Algorithm
-
-        :return: the estimated structure for the node
-        :rtype: List
-        """
-        print("##################TESTING VAR################", self.node_id)
-
-        graph = NetworkGraph(self.structure_estimator._sample_path.structure)
-
-        other_nodes =  [node for node in self.structure_estimator._sample_path.structure.nodes_labels if node != self.node_id]
-        
-        for possible_parent in other_nodes:
-            graph.add_edges([(possible_parent,self.node_id)])
-
-        
-        u = other_nodes
-        #tests_parents_numb = len(u)
-        #complete_frame = self.complete_graph_frame
-        #test_frame = complete_frame.loc[complete_frame['To'].isin([self.node_id])]
-        child_states_numb = self.structure_estimator._sample_path.structure.get_states_number(self.node_id)
-        b = 0
-        while b < len(u):
-            parent_indx = 0
-            while parent_indx < len(u):
-                removed = False
-                test_parent = u[parent_indx]
-               	i = self.structure_estimator._sample_path.structure.get_node_indx(test_parent)
-                j = self.structure_estimator._sample_path.structure.get_node_indx(self.node_id)
-                if self.structure_estimator._removable_edges_matrix[i][j]:
-                    S = StructureEstimator.generate_possible_sub_sets_of_size(u, b, test_parent)
-                    for parents_set in S:
-	                    if self.structure_estimator.complete_test(test_parent, self.node_id, parents_set, child_states_numb, self.tot_vars_count,i,j):
-	                        graph.remove_edges([(test_parent, self.node_id)])
-	                        u.remove(test_parent)
-	                        removed = True
-	                        break
-                if not removed:
-                    parent_indx += 1
-            b += 1
-        self.structure_estimator._cache.clear()
-        return graph.edges

PyCTBN/build/lib/PyCTBN/optimizers/hill_climbing_search.py

@@ -1,135 +0,0 @@
-
-import itertools
-import json
-import typing
-
-import networkx as nx
-import numpy as np
-
-from random import choice
-
-from abc import ABC
-
-
-from .optimizer import Optimizer
-from ..estimators.structure_estimator import StructureEstimator
-from ..structure_graph.network_graph import NetworkGraph
-
-
-class HillClimbing(Optimizer):
-    """
-    Optimizer class that implement Hill Climbing Search
-    
-
-    :param node_id: current node's id
-    :type node_id: string
-    :param structure_estimator: a structure estimator object with the information about the net
-    :type structure_estimator: class:'StructureEstimator' 
-    :param max_parents: maximum number of parents for each variable. If None, disabled, default to None
-    :type max_parents: int, optional
-    :param iterations_number: maximum number of optimization algorithm's iteration, default to 40
-    :type iterations_number: int, optional
-    :param patience: number of iteration without any improvement before to stop the search.If None, disabled, default to None
-    :type patience: int, optional
-
-
-    
-    """
-    def __init__(self,
-                node_id:str,
-                structure_estimator: StructureEstimator,
-                max_parents:int = None,
-                iterations_number:int= 40,
-                patience:int = None
-                ):
-        """
-        Constructor
-        """
-        super().__init__(node_id, structure_estimator)
-        self.max_parents = max_parents
-        self.iterations_number = iterations_number
-        self.patience = patience
-        
-
-
-    def optimize_structure(self) -> typing.List:
-        """
-        Compute Optimization process for a structure_estimator by using a Hill Climbing Algorithm
-
-        :return: the estimated structure for the node
-        :rtype: List
-        """
-
-        #'Create the graph for the single node'
-        graph = NetworkGraph(self.structure_estimator._sample_path.structure)
-
-        'get the index for the current node'
-        node_index = self.structure_estimator._sample_path._structure.get_node_indx(self.node_id)
-
-        'list of prior edges'
-        prior_parents = set()
-
-        'Add the edges from prior knowledge'
-        for i in range(len(self.structure_estimator._removable_edges_matrix)):
-            if not self.structure_estimator._removable_edges_matrix[i][node_index]:
-                parent_id= self.structure_estimator._sample_path._structure.get_node_id(i)
-                prior_parents.add(parent_id)
-
-                'Add the node to the starting structure'
-                graph.add_edges([(parent_id, self.node_id)])
-
-
-
-        'get all the possible parents'
-        other_nodes =  [node for node in 
-                                            self.structure_estimator._sample_path.structure.nodes_labels if
-                                                                                            node != self.node_id and
-                                                                                            not prior_parents.__contains__(node)]
-        
-        actual_best_score = self.structure_estimator.get_score_from_graph(graph,self.node_id)
-
-        patince_count = 0
-        for i in range(self.iterations_number):
-            'choose a new random edge'
-            current_new_parent = choice(other_nodes)
-            current_edge =  (current_new_parent,self.node_id)
-            added = False
-            parent_removed = None 
-            
-
-            if graph.has_edge(current_edge):
-                graph.remove_edges([current_edge])
-            else:
-                'check the max_parents constraint'
-                if self.max_parents is not None:
-                    parents_list = graph.get_parents_by_id(self.node_id)
-                    if len(parents_list) >= self.max_parents :
-                        parent_removed = (choice(parents_list), self.node_id)
-                        graph.remove_edges([parent_removed])
-                graph.add_edges([current_edge])
-                added = True
-            #print('**************************')
-            current_score =  self.structure_estimator.get_score_from_graph(graph,self.node_id)
-
-
-            if current_score > actual_best_score:
-                'update current best score' 
-                actual_best_score = current_score
-                patince_count = 0
-            else:
-                'undo the last update'
-                if added:
-                    graph.remove_edges([current_edge])
-                    'If a parent was removed, add it again to the graph'
-                    if parent_removed is not None:
-                        graph.add_edges([parent_removed])
-                else:
-                    graph.add_edges([current_edge])
-                'update patience count'
-                patince_count += 1
-
-            if self.patience is not None and patince_count > self.patience:
-                break
-
-        print(f"finito variabile: {self.node_id}")
-        return graph.edges

PyCTBN/build/lib/PyCTBN/optimizers/optimizer.py

@@ -1,39 +0,0 @@
-
-import itertools
-import json
-import typing
-
-import networkx as nx
-import numpy as np
-
-import abc 
-
-from ..estimators.structure_estimator import StructureEstimator
-
-
-
-class Optimizer(abc.ABC):
-    """
-    Interface class for all the optimizer's child PyCTBN
-
-    :param node_id: the node label
-    :type node_id: string
-    :param structure_estimator: A structureEstimator Object to predict the structure
-    :type structure_estimator: class:'StructureEstimator'
-    
-    """
-
-    def __init__(self, node_id:str, structure_estimator: StructureEstimator):
-        self.node_id = node_id
-        self.structure_estimator = structure_estimator
-        
-
-    @abc.abstractmethod
-    def optimize_structure(self) -> typing.List:
-        """
-        Compute Optimization process for a structure_estimator
-
-        :return: the estimated structure for the node
-        :rtype: List
-        """
-    pass

PyCTBN/build/lib/PyCTBN/optimizers/tabu_search.py

@@ -1,199 +0,0 @@
-
-import itertools
-import json
-import typing
-
-import networkx as nx
-import numpy as np
-
-from random import choice,sample
-
-from abc import ABC
-
-
-from .optimizer import Optimizer
-from ..estimators.structure_estimator import StructureEstimator
-from ..structure_graph.network_graph import NetworkGraph
-
-import queue
-
-
-class TabuSearch(Optimizer):
-    """
-    Optimizer class that implement Tabu Search
-
-
-    :param node_id: current node's id
-    :type node_id: string
-    :param structure_estimator: a structure estimator object with the information about the net
-    :type structure_estimator: class:'StructureEstimator' 
-    :param max_parents: maximum number of parents for each variable. If None, disabled, default to None
-    :type max_parents: int, optional
-    :param iterations_number: maximum number of optimization algorithm's iteration, default to 40
-    :type iterations_number: int, optional
-    :param patience: number of iteration without any improvement before to stop the search.If None, disabled, default to None
-    :type patience: int, optional
-    :param tabu_length: maximum lenght of the data structures used in the optimization process, default to None
-    :type tabu_length: int, optional
-    :param tabu_rules_duration: number of iterations in which each rule keeps its value, default to None
-    :type tabu_rules_duration: int, optional
-
-    
-    """
-    def __init__(self,
-                node_id:str,
-                structure_estimator: StructureEstimator,
-                max_parents:int = None,
-                iterations_number:int= 40,
-                patience:int = None,
-                tabu_length:int = None,
-                tabu_rules_duration = None
-                ):
-        """
-        Constructor
-        """
-        super().__init__(node_id, structure_estimator)
-        self.max_parents = max_parents
-        self.iterations_number = iterations_number
-        self.patience = patience
-        self.tabu_length = tabu_length
-        self.tabu_rules_duration = tabu_rules_duration
-
-
-    def optimize_structure(self) -> typing.List:
-        """
-        Compute Optimization process for a structure_estimator by using a Hill Climbing Algorithm
-
-        :return: the estimated structure for the node
-        :rtype: List
-        """
-        print(f"tabu search is processing the structure of {self.node_id}")
-
-        'Create the graph for the single node'
-        graph = NetworkGraph(self.structure_estimator._sample_path.structure)
-
-        'get the index for the current node'
-        node_index = self.structure_estimator._sample_path._structure.get_node_indx(self.node_id)
-
-        'list of prior edges'
-        prior_parents = set()
-
-        'Add the edges from prior knowledge'
-        for i in range(len(self.structure_estimator._removable_edges_matrix)):
-            if not self.structure_estimator._removable_edges_matrix[i][node_index]:
-                parent_id= self.structure_estimator._sample_path._structure.get_node_id(i)
-                prior_parents.add(parent_id)
-
-                'Add the node to the starting structure'
-                graph.add_edges([(parent_id, self.node_id)])
-
-
-
-        'get all the possible parents'
-        other_nodes =  set([node for node in 
-                                            self.structure_estimator._sample_path.structure.nodes_labels if
-                                                                                            node != self.node_id and
-                                                                                            not prior_parents.__contains__(node)])
-
-        'calculate the score for the node without parents'
-        actual_best_score = self.structure_estimator.get_score_from_graph(graph,self.node_id)
-
-
-        'initialize tabu_length and tabu_rules_duration if None'
-        if self.tabu_length is None:
-            self.tabu_length = len(other_nodes)
-
-        if self.tabu_rules_duration is None:
-            self.tabu_tabu_rules_durationength = len(other_nodes)
-
-        'inizialize the data structures'
-        tabu_set = set()
-        tabu_queue = queue.Queue()
-
-        patince_count = 0
-        tabu_count = 0 
-        for i in range(self.iterations_number):
-            
-            current_possible_nodes = other_nodes.difference(tabu_set)
-
-            'choose a new random edge according to tabu restiction'
-            if(len(current_possible_nodes) > 0):
-                current_new_parent = sample(current_possible_nodes,k=1)[0]
-            else:
-                current_new_parent = tabu_queue.get()
-                tabu_set.remove(current_new_parent)
-
-
-            
-            current_edge =  (current_new_parent,self.node_id)
-            added = False
-            parent_removed = None 
-
-            if graph.has_edge(current_edge):
-                graph.remove_edges([current_edge])
-            else:
-                'check the max_parents constraint'
-                if self.max_parents is not None:
-                    parents_list = graph.get_parents_by_id(self.node_id)
-                    if len(parents_list) >= self.max_parents :
-                        parent_removed = (choice(parents_list), self.node_id)
-                        graph.remove_edges([parent_removed])
-                graph.add_edges([current_edge])
-                added = True
-            #print('**************************')
-            current_score =  self.structure_estimator.get_score_from_graph(graph,self.node_id)
-
-
-            # print("-------------------------------------------")
-            # print(f"Current new parent: {current_new_parent}")
-            # print(f"Current score: {current_score}")
-            # print(f"Current best score: {actual_best_score}")
-            # print(f"tabu list : {str(tabu_set)} length: {len(tabu_set)}")
-            # print(f"tabu queue : {str(tabu_queue)} length: {tabu_queue.qsize()}")
-            # print(f"graph edges: {graph.edges}")
-
-            # print("-------------------------------------------")
-            # input()
-            if current_score > actual_best_score:
-                'update current best score' 
-                actual_best_score = current_score
-                patince_count = 0
-                'update tabu list'
-
-
-            else:
-                'undo the last update'
-                if added:
-                    graph.remove_edges([current_edge])
-                    'If a parent was removed, add it again to the graph'
-                    if parent_removed is not None:
-                        graph.add_edges([parent_removed])
-                else:
-                    graph.add_edges([current_edge])
-                'update patience count'
-                patince_count += 1
-                
-            
-            if tabu_queue.qsize() >= self.tabu_length:
-                    current_removed = tabu_queue.get()
-                    tabu_set.remove(current_removed)
-            'Add the node on the tabu list'
-            tabu_queue.put(current_new_parent)
-            tabu_set.add(current_new_parent)
-
-            tabu_count += 1
-
-            'Every tabu_rules_duration step remove an item from the tabu list '
-            if tabu_count % self.tabu_rules_duration == 0:
-                if tabu_queue.qsize() > 0:
-                    current_removed = tabu_queue.get()
-                    tabu_set.remove(current_removed)
-                    tabu_count = 0
-                else:
-                    tabu_count = 0
-
-            if self.patience is not None and patince_count > self.patience:
-                break
-
-        print(f"finito variabile: {self.node_id}")
-        return graph.edges

PyCTBN/build/lib/PyCTBN/structure_graph/__init__.py

@@ -1,6 +0,0 @@
-from .conditional_intensity_matrix import ConditionalIntensityMatrix
-from .network_graph import NetworkGraph
-from .sample_path import SamplePath
-from .set_of_cims import SetOfCims
-from .structure import Structure
-from .trajectory import Trajectory

PyCTBN/build/lib/PyCTBN/structure_graph/conditional_intensity_matrix.py

@@ -1,42 +0,0 @@
-import numpy as np
-
-
-class ConditionalIntensityMatrix(object):
-    """Abstracts the Conditional Intesity matrix of a node as aggregation of the state residence times vector
-    and state transition matrix and the actual CIM matrix.
-
-    :param state_residence_times: state residence times vector
-    :type state_residence_times: numpy.array
-    :param state_transition_matrix: the transitions count matrix
-    :type state_transition_matrix: numpy.ndArray
-    :_cim: the actual cim of the node
-    """
-    def __init__(self, state_residence_times: np.array, state_transition_matrix: np.array):
-        """Constructor Method
-        """
-        self._state_residence_times = state_residence_times
-        self._state_transition_matrix = state_transition_matrix
-        self._cim = self.state_transition_matrix.astype(np.float64)
-
-    def compute_cim_coefficients(self) -> None:
-        """Compute the coefficients of the matrix _cim by using the following equality q_xx' = M[x, x'] / T[x].
-        The class member ``_cim`` will contain the computed cim
-        """
-        np.fill_diagonal(self._cim, self._cim.diagonal() * -1)
-        self._cim = ((self._cim.T + 1) / (self._state_residence_times + 1)).T
-
-    @property
-    def state_residence_times(self) -> np.ndarray:
-        return self._state_residence_times
-
-    @property
-    def state_transition_matrix(self) -> np.ndarray:
-        return self._state_transition_matrix
-
-    @property
-    def cim(self) -> np.ndarray:
-        return self._cim
-
-    def __repr__(self):
-        return 'CIM:\n' + str(self.cim)
-

PyCTBN/build/lib/PyCTBN/structure_graph/network_graph.py

@@ -1,293 +0,0 @@
-
-import typing
-
-import networkx as nx
-import numpy as np
-
-from .structure import Structure
-
-
-class NetworkGraph(object):
-    """Abstracts the infos contained in the Structure class in the form of a directed graph.
-    Has the task of creating all the necessary filtering and indexing structures for parameters estimation
-
-    :param graph_struct: the ``Structure`` object from which infos about the net will be extracted
-    :type graph_struct: Structure
-    :_graph: directed graph
-    :_aggregated_info_about_nodes_parents: a structure that contains all the necessary infos
-        about every parents of the node of which all the indexing and filtering structures will be constructed.
-    :_time_scalar_indexing_structure: the indexing structure for state res time estimation
-    :_transition_scalar_indexing_structure: the indexing structure for transition computation
-    :_time_filtering: the columns filtering structure used in the computation of the state res times
-    :_transition_filtering: the columns filtering structure used in the computation of the transition
-        from one state to another
-    :_p_combs_structure: all the possible parents states combination for the node of interest
-    """
-
-    def __init__(self, graph_struct: Structure):
-        """Constructor Method
-        """
-        self._graph_struct = graph_struct
-        self._graph = nx.DiGraph()
-        self._aggregated_info_about_nodes_parents = None
-        self._time_scalar_indexing_structure = None
-        self._transition_scalar_indexing_structure = None
-        self._time_filtering = None
-        self._transition_filtering = None
-        self._p_combs_structure = None
-
-    def init_graph(self):
-        self.add_nodes(self._nodes_labels)
-        self.add_edges(self.graph_struct.edges)
-        self.aggregated_info_about_nodes_parents = self.get_ord_set_of_par_of_all_nodes()
-        self._fancy_indexing = self.build_fancy_indexing_structure(0)
-        self.build_scalar_indexing_structures()
-        self.build_time_columns_filtering_structure()
-        self.build_transition_columns_filtering_structure()
-        self._p_combs_structure = self.build_p_combs_structure()
-
-    def fast_init(self, node_id: str) -> None:
-        """Initializes all the necessary structures for parameters estimation of the node identified by the label
-        node_id
-
-        :param node_id: the label of the node
-        :type node_id: string
-        """
-        self.add_nodes(self._graph_struct.nodes_labels)
-        self.add_edges(self._graph_struct.edges)
-        self._aggregated_info_about_nodes_parents = self.get_ordered_by_indx_set_of_parents(node_id)
-        p_indxs = self._aggregated_info_about_nodes_parents[1]
-        p_vals = self._aggregated_info_about_nodes_parents[2]
-        node_states = self.get_states_number(node_id)
-        node_indx = self.get_node_indx(node_id)
-        cols_number = self._graph_struct.total_variables_number
-        self._time_scalar_indexing_structure = NetworkGraph.\
-            build_time_scalar_indexing_structure_for_a_node(node_states, p_vals)
-        self._transition_scalar_indexing_structure = NetworkGraph.\
-            build_transition_scalar_indexing_structure_for_a_node(node_states, p_vals)
-        self._time_filtering = NetworkGraph.build_time_columns_filtering_for_a_node(node_indx, p_indxs)
-        self._transition_filtering = NetworkGraph.build_transition_filtering_for_a_node(node_indx, p_indxs, cols_number)
-        self._p_combs_structure = NetworkGraph.build_p_comb_structure_for_a_node(p_vals)
-
-    def add_nodes(self, list_of_nodes: typing.List) -> None:
-        """Adds the nodes to the ``_graph`` contained in the list of nodes ``list_of_nodes``.
-        Sets all the properties that identify a nodes (index, positional index, cardinality)
-
-        :param list_of_nodes: the nodes to add to ``_graph``
-        :type list_of_nodes: List
-        """
-        nodes_indxs = self._graph_struct.nodes_indexes
-        nodes_vals = self._graph_struct.nodes_values
-        pos = 0
-        for id, node_indx, node_val in zip(list_of_nodes, nodes_indxs, nodes_vals):
-            self._graph.add_node(id, indx=node_indx, val=node_val, pos_indx=pos)
-            pos += 1
-
-    def has_edge(self,edge:tuple)-> bool:
-        """
-        Check if the graph contains a specific edge
-
-        Parameters:
-            edge: a tuple that rappresents the edge
-        Returns:
-            bool
-        """
-        return self._graph.has_edge(edge[0],edge[1])
-
-    def add_edges(self, list_of_edges: typing.List) -> None:
-        """Add the edges to the ``_graph`` contained in the list ``list_of_edges``.
-
-        :param list_of_edges: the list containing of tuples containing the edges
-        :type list_of_edges: List
-        """
-        self._graph.add_edges_from(list_of_edges)
-
-    def remove_node(self, node_id: str) -> None:
-        """Remove the node ``node_id`` from all the class members.
-        Initialize all the filtering/indexing structures.
-        """
-        self._graph.remove_node(node_id)
-        self._graph_struct.remove_node(node_id)
-        self.clear_indexing_filtering_structures()
-
-    def clear_indexing_filtering_structures(self) -> None:
-        """Initialize all the filtering/indexing structures.
-        """
-        self._aggregated_info_about_nodes_parents = None
-        self._time_scalar_indexing_structure = None
-        self._transition_scalar_indexing_structure = None
-        self._time_filtering = None
-        self._transition_filtering = None
-        self._p_combs_structure = None
-
-    def get_ordered_by_indx_set_of_parents(self, node: str) -> typing.Tuple:
-        """Builds the aggregated structure that holds all the infos relative to the parent set of the node, namely
-        (parents_labels, parents_indexes, parents_cardinalities).
-
-        :param node: the label of the node
-        :type node: string
-        :return: a tuple containing all the parent set infos
-        :rtype: Tuple
-        """
-        parents = self.get_parents_by_id(node)
-        nodes = self._graph_struct.nodes_labels
-        d = {v: i for i, v in enumerate(nodes)}
-        sorted_parents = sorted(parents, key=lambda v: d[v])
-        get_node_indx = self.get_node_indx
-        p_indxes = [get_node_indx(node) for node in sorted_parents]
-        p_values = [self.get_states_number(node) for node in sorted_parents]
-        return sorted_parents, p_indxes, p_values
-
-    def remove_edges(self, list_of_edges: typing.List) -> None:
-        """Remove the edges to the graph contained in the list list_of_edges.
-        
-        :param list_of_edges: The edges to remove from the graph
-        :type list_of_edges: List
-        """
-        self._graph.remove_edges_from(list_of_edges)
-
-    @staticmethod
-    def build_time_scalar_indexing_structure_for_a_node(node_states: int,
-                                                        parents_vals: typing.List) -> np.ndarray:
-        """Builds an indexing structure for the computation of state residence times values.
-
-        :param node_states: the node cardinality
-        :type node_states: int
-        :param parents_vals: the caridinalites of the node's parents
-        :type parents_vals: List
-        :return: The time indexing structure
-        :rtype: numpy.ndArray
-        """
-        T_vector = np.array([node_states])
-        T_vector = np.append(T_vector, parents_vals)
-        T_vector = T_vector.cumprod().astype(np.int)
-        return T_vector
-
-    @staticmethod
-    def build_transition_scalar_indexing_structure_for_a_node(node_states_number: int, parents_vals: typing.List) \
-            -> np.ndarray:
-        """Builds an indexing structure for the computation of state transitions values.
-
-        :param node_states_number: the node cardinality
-        :type node_states_number: int
-        :param parents_vals: the caridinalites of the node's parents
-        :type parents_vals: List
-        :return: The transition indexing structure
-        :rtype: numpy.ndArray
-        """
-        M_vector = np.array([node_states_number,
-                             node_states_number])
-        M_vector = np.append(M_vector, parents_vals)
-        M_vector = M_vector.cumprod().astype(np.int)
-        return M_vector
-
-    @staticmethod
-    def build_time_columns_filtering_for_a_node(node_indx: int, p_indxs: typing.List) -> np.ndarray:
-        """
-        Builds the necessary structure to filter the desired columns indicated by ``node_indx`` and ``p_indxs``
-        in the dataset.
-        This structute will be used in the computation of the state res times.
-        :param node_indx: the index of the node
-        :type node_indx: int
-        :param p_indxs: the indexes of the node's parents
-        :type p_indxs: List
-        :return: The filtering structure for times estimation
-        :rtype: numpy.ndArray
-        """
-        return np.append(np.array([node_indx], dtype=np.int), p_indxs).astype(np.int)
-
-    @staticmethod
-    def build_transition_filtering_for_a_node(node_indx: int, p_indxs: typing.List, nodes_number: int) \
-            -> np.ndarray:
-        """Builds the necessary structure to filter the desired columns indicated by ``node_indx`` and ``p_indxs``
-        in the dataset.
-        This structure will be used in the computation of the state transitions values.
-        :param node_indx: the index of the node
-        :type node_indx: int
-        :param p_indxs: the indexes of the node's parents
-        :type p_indxs: List
-        :param nodes_number: the total number of nodes in the dataset
-        :type nodes_number: int
-        :return: The filtering structure for transitions estimation
-        :rtype: numpy.ndArray
-        """
-        return np.array([node_indx + nodes_number, node_indx, *p_indxs], dtype=np.int)
-
-    @staticmethod
-    def build_p_comb_structure_for_a_node(parents_values: typing.List) -> np.ndarray:
-        """
-        Builds the combinatorial structure that contains the combinations of all the values contained in
-        ``parents_values``.
-
-        :param parents_values: the cardinalities of the nodes
-        :type parents_values: List
-        :return: A numpy matrix containing a grid of the combinations
-        :rtype: numpy.ndArray
-        """
-        tmp = []
-        for val in parents_values:
-            tmp.append([x for x in range(val)])
-        if len(parents_values) > 0:
-            parents_comb = np.array(np.meshgrid(*tmp)).T.reshape(-1, len(parents_values))
-            if len(parents_values) > 1:
-                tmp_comb = parents_comb[:, 1].copy()
-                parents_comb[:, 1] = parents_comb[:, 0].copy()
-                parents_comb[:, 0] = tmp_comb
-        else:
-            parents_comb = np.array([[]], dtype=np.int)
-        return parents_comb
-
-    def get_parents_by_id(self, node_id) -> typing.List:
-        """Returns a list of labels of the parents of the node ``node_id``
-
-        :param node_id: the node label
-        :type node_id: string
-        :return: a List of labels of the parents
-        :rtype: List
-        """
-        return list(self._graph.predecessors(node_id))
-
-    def get_states_number(self, node_id) -> int:
-        return self._graph.nodes[node_id]['val']
-
-    def get_node_indx(self, node_id) -> int:
-        return nx.get_node_attributes(self._graph, 'indx')[node_id]
-
-    def get_positional_node_indx(self, node_id) -> int:
-        return self._graph.nodes[node_id]['pos_indx']
-
-    @property
-    def nodes(self) -> typing.List:
-        return self._graph_struct.nodes_labels
-
-    @property
-    def edges(self) -> typing.List:
-        return list(self._graph.edges)
-
-    @property
-    def nodes_indexes(self) -> np.ndarray:
-        return self._graph_struct.nodes_indexes
-
-    @property
-    def nodes_values(self) -> np.ndarray:
-        return self._graph_struct.nodes_values
-
-    @property
-    def time_scalar_indexing_strucure(self) -> np.ndarray:
-        return self._time_scalar_indexing_structure
-
-    @property
-    def time_filtering(self) -> np.ndarray:
-        return self._time_filtering
-
-    @property
-    def transition_scalar_indexing_structure(self) -> np.ndarray:
-        return self._transition_scalar_indexing_structure
-
-    @property
-    def transition_filtering(self) -> np.ndarray:
-        return self._transition_filtering
-
-    @property
-    def p_combs(self) -> np.ndarray:
-        return self._p_combs_structure

PyCTBN/build/lib/PyCTBN/structure_graph/sample_path.py

@@ -1,91 +0,0 @@
-
-
-import numpy as np
-import pandas as pd
-
-from .structure import Structure
-from .trajectory import Trajectory
-from ..utility.abstract_importer import AbstractImporter
-
-
-
-class SamplePath(object):
-    """Aggregates all the informations about the trajectories, the real structure of the sampled net and variables
-    cardinalites. Has the task of creating the objects ``Trajectory`` and ``Structure`` that will
-    contain the mentioned data.
-
-    :param importer: the Importer object which contains the imported and processed data
-    :type importer: AbstractImporter
-    :_trajectories: the ``Trajectory`` object that will contain all the concatenated trajectories
-    :_structure: the ``Structure`` Object that will contain all the structural infos about the net
-    :_total_variables_count: the number of variables in the net
-    """
-    def __init__(self, importer: AbstractImporter):
-        """Constructor Method
-        """
-        self._importer = importer
-        if self._importer._df_variables is None or self._importer._concatenated_samples is None:
-            raise RuntimeError('The importer object has to contain the all processed data!')
-        if self._importer._df_variables.empty:
-            raise RuntimeError('The importer object has to contain the all processed data!')
-        if isinstance(self._importer._concatenated_samples, pd.DataFrame):
-            if self._importer._concatenated_samples.empty:
-                raise RuntimeError('The importer object has to contain the all processed data!')
-        if isinstance(self._importer._concatenated_samples, np.ndarray):
-            if self._importer._concatenated_samples.size == 0:
-                raise RuntimeError('The importer object has to contain the all processed data!')
-        self._trajectories = None
-        self._structure = None
-        self._total_variables_count = None
-
-    def build_trajectories(self) -> None:
-        """Builds the Trajectory object that will contain all the trajectories.
-        Clears all the unused dataframes in ``_importer`` Object
-        """
-        self._trajectories = \
-            Trajectory(self._importer.build_list_of_samples_array(self._importer.concatenated_samples),
-                len(self._importer.sorter) + 1)
-        self._importer.clear_concatenated_frame()
-
-    def build_structure(self) -> None:
-        """
-        Builds the ``Structure`` object that aggregates all the infos about the net.
-        """
-        if self._importer.sorter != self._importer.variables.iloc[:, 0].to_list():
-            raise RuntimeError("The Dataset columns order have to match the order of labels in the variables Frame!")
-
-        self._total_variables_count = len(self._importer.sorter)
-        labels = self._importer.variables.iloc[:, 0].to_list()
-        indxs = self._importer.variables.index.to_numpy()
-        vals = self._importer.variables.iloc[:, 1].to_numpy()
-        if self._importer.structure is None or self._importer.structure.empty:
-            edges = []
-        else:
-            edges = list(self._importer.structure.to_records(index=False))
-        self._structure = Structure(labels, indxs, vals, edges,
-                                       self._total_variables_count)
-
-    def clear_memory(self):
-        self._importer._raw_data = [] 
-
-    @property
-    def trajectories(self) -> Trajectory:
-        return self._trajectories
-
-    @property
-    def structure(self) -> Structure:
-        return self._structure
-
-    @property
-    def total_variables_count(self) -> int:
-        return self._total_variables_count
-
-    @property
-    def has_prior_net_structure(self) -> bool:
-        return bool(self._structure.edges)
-
-
-
-
-
-

PyCTBN/build/lib/PyCTBN/structure_graph/set_of_cims.py

@@ -1,97 +0,0 @@
-
-
-import typing
-
-import numpy as np
-
-from .conditional_intensity_matrix import ConditionalIntensityMatrix
-
-
-class SetOfCims(object):
-    """Aggregates all the CIMS of the node identified by the label _node_id.
-
-    :param node_id: the node label
-    :type node_ind: string
-    :param parents_states_number: the cardinalities of the parents
-    :type parents_states_number: List
-    :param node_states_number: the caridinality of the node
-    :type node_states_number: int
-    :param p_combs: the p_comb structure bound to this node
-    :type p_combs: numpy.ndArray
-    :_state_residence_time: matrix containing all the state residence time vectors for the node
-    :_transition_matrices: matrix containing all the transition matrices for the node
-    :_actual_cims: the cims of the node
-    """
-
-    def __init__(self, node_id: str, parents_states_number: typing.List, node_states_number: int, p_combs: np.ndarray):
-        """Constructor Method
-        """
-        self._node_id = node_id
-        self._parents_states_number = parents_states_number
-        self._node_states_number = node_states_number
-        self._actual_cims = []
-        self._state_residence_times = None
-        self._transition_matrices = None
-        self._p_combs = p_combs
-        self.build_times_and_transitions_structures()
-
-    def build_times_and_transitions_structures(self) -> None:
-        """Initializes at the correct dimensions the state residence times matrix and the state transition matrices.
-        """
-        if not self._parents_states_number:
-            self._state_residence_times = np.zeros((1, self._node_states_number), dtype=np.float)
-            self._transition_matrices = np.zeros((1, self._node_states_number, self._node_states_number), dtype=np.int)
-        else:
-            self._state_residence_times = \
-                np.zeros((np.prod(self._parents_states_number), self._node_states_number), dtype=np.float)
-            self._transition_matrices = np.zeros([np.prod(self._parents_states_number), self._node_states_number,
-                                                  self._node_states_number], dtype=np.int)
-
-    def build_cims(self, state_res_times: np.ndarray, transition_matrices: np.ndarray) -> None:
-        """Build the ``ConditionalIntensityMatrix`` objects given the state residence times and transitions matrices.
-        Compute the cim coefficients.The class member ``_actual_cims`` will contain the computed cims.
-
-        :param state_res_times: the state residence times matrix
-        :type state_res_times: numpy.ndArray
-        :param transition_matrices: the transition matrices
-        :type transition_matrices: numpy.ndArray
-        """
-        for state_res_time_vector, transition_matrix in zip(state_res_times, transition_matrices):
-            cim_to_add = ConditionalIntensityMatrix(state_res_time_vector, transition_matrix)
-            cim_to_add.compute_cim_coefficients()
-            self._actual_cims.append(cim_to_add)
-        self._actual_cims = np.array(self._actual_cims)
-        self._transition_matrices = None
-        self._state_residence_times = None
-
-    def filter_cims_with_mask(self, mask_arr: np.ndarray, comb: typing.List) -> np.ndarray:
-        """Filter the cims contained in the array ``_actual_cims`` given the boolean mask ``mask_arr`` and the index
-        ``comb``.
-
-        :param mask_arr: the boolean mask that indicates which parent to consider
-        :type mask_arr: numpy.array
-        :param comb: the state/s of the filtered parents
-        :type comb: numpy.array
-        :return: Array of ``ConditionalIntensityMatrix`` objects
-        :rtype: numpy.array
-        """
-        if mask_arr.size <= 1:
-            return self._actual_cims
-        else:
-            flat_indxs = np.argwhere(np.all(self._p_combs[:, mask_arr] == comb, axis=1)).ravel()
-            return self._actual_cims[flat_indxs]
-
-    @property
-    def actual_cims(self) -> np.ndarray:
-        return self._actual_cims
-
-    @property
-    def p_combs(self) -> np.ndarray:
-        return self._p_combs
-
-    def get_cims_number(self):
-        return len(self._actual_cims)
-
-
-
-

PyCTBN/build/lib/PyCTBN/structure_graph/structure.py

@@ -1,124 +0,0 @@
-
-import typing as ty
-
-import numpy as np
-
-
-class Structure(object):
-    """Contains all the infos about the network structure(nodes labels, nodes caridinalites, edges, indexes)
-
-    :param nodes_labels_list: the symbolic names of the variables
-    :type nodes_labels_list: List
-    :param nodes_indexes_arr: the indexes of the nodes
-    :type nodes_indexes_arr: numpy.ndArray
-    :param nodes_vals_arr: the cardinalites of the nodes
-    :type nodes_vals_arr: numpy.ndArray
-    :param edges_list: the edges of the network
-    :type edges_list: List
-    :param total_variables_number: the total number of variables in the dataset
-    :type total_variables_number: int
-    """
-
-    def __init__(self, nodes_labels_list: ty.List, nodes_indexes_arr: np.ndarray, nodes_vals_arr: np.ndarray,
-                 edges_list: ty.List, total_variables_number: int):
-        """Constructor Method
-        """
-        self._nodes_labels_list = nodes_labels_list
-        self._nodes_indexes_arr = nodes_indexes_arr
-        self._nodes_vals_arr = nodes_vals_arr
-        self._edges_list = edges_list
-        self._total_variables_number = total_variables_number
-
-    def remove_node(self, node_id: str) -> None:
-        """Remove the node ``node_id`` from all the class members.
-        The class member ``_total_variables_number`` since it refers to the total number of variables in the dataset.
-        """
-        node_positional_indx = self._nodes_labels_list.index(node_id)
-        del self._nodes_labels_list[node_positional_indx]
-        self._nodes_indexes_arr = np.delete(self._nodes_indexes_arr, node_positional_indx)
-        self._nodes_vals_arr = np.delete(self._nodes_vals_arr, node_positional_indx)
-        self._edges_list = [(from_node, to_node) for (from_node, to_node) in self._edges_list if (from_node != node_id
-                                                                                        and to_node != node_id)]
-
-    @property
-    def edges(self) -> ty.List:
-        return self._edges_list
-
-    @property
-    def nodes_labels(self) -> ty.List:
-        return self._nodes_labels_list
-
-    @property
-    def nodes_indexes(self) -> np.ndarray:
-        return self._nodes_indexes_arr
-
-    @property
-    def nodes_values(self) -> np.ndarray:
-        return self._nodes_vals_arr
-
-    @property
-    def total_variables_number(self) -> int:
-        return self._total_variables_number
-
-    def get_node_id(self, node_indx: int) -> str:
-        """Given the ``node_index`` returns the node label.
-
-        :param node_indx: the node index
-        :type node_indx: int
-        :return: the node label
-        :rtype: string
-        """
-        return self._nodes_labels_list[node_indx]
-
-    def clean_structure_edges(self):
-        self._edges_list = list()
-
-    def add_edge(self,edge: tuple):
-        self._edges_list.append(tuple)
-        print(self._edges_list)
-    
-    def remove_edge(self,edge: tuple):
-        self._edges_list.remove(tuple)
-
-    def contains_edge(self,edge:tuple) -> bool:
-        return edge in self._edges_list
-
-    def get_node_indx(self, node_id: str) -> int:
-        """Given the ``node_index`` returns the node label.
-
-        :param node_id: the node label
-        :type node_id: string
-        :return: the node index
-        :rtype: int
-        """
-        pos_indx = self._nodes_labels_list.index(node_id)
-        return self._nodes_indexes_arr[pos_indx]
-
-    def get_positional_node_indx(self, node_id: str) -> int:
-        return self._nodes_labels_list.index(node_id)
-
-    def get_states_number(self, node: str) -> int:
-        """Given the node label ``node`` returns the cardinality of the node.
-
-        :param node: the node label
-        :type node: string
-        :return: the node cardinality
-        :rtype: int
-        """
-        pos_indx = self._nodes_labels_list.index(node)
-        return self._nodes_vals_arr[pos_indx]
-
-    def __repr__(self):
-        return "Variables:\n" + str(self._nodes_labels_list) +"\nValues:\n"+ str(self._nodes_vals_arr) +\
-               "\nEdges: \n" + str(self._edges_list)
-
-    def __eq__(self, other):
-        """Overrides the default implementation"""
-        if isinstance(other, Structure):
-            return set(self._nodes_labels_list) == set(other._nodes_labels_list) and \
-                   np.array_equal(self._nodes_vals_arr, other._nodes_vals_arr) and \
-                   np.array_equal(self._nodes_indexes_arr, other._nodes_indexes_arr) and \
-                   self._edges_list == other._edges_list
-
-        return False
-

PyCTBN/build/lib/PyCTBN/structure_graph/trajectory.py

@@ -1,45 +0,0 @@
-
-import typing
-
-import numpy as np
-
-
-class Trajectory(object):
-    """ Abstracts the infos about a complete set of trajectories, represented as a numpy array of doubles
-    (the time deltas) and a numpy matrix of ints (the changes of states).
-
-    :param list_of_columns: the list containing the times array and values matrix
-    :type list_of_columns: List
-    :param original_cols_number: total number of cols in the data
-    :type original_cols_number: int
-    :_actual_trajectory: the trajectory containing also the duplicated/shifted values
-    :_times: the array containing the time deltas
-    """
-
-    def __init__(self, list_of_columns: typing.List, original_cols_number: int):
-        """Constructor Method
-        """
-        self._times = list_of_columns[0]
-        self._actual_trajectory = list_of_columns[1]
-        self._original_cols_number = original_cols_number
-
-    @property
-    def trajectory(self) -> np.ndarray:
-        return self._actual_trajectory[:, :self._original_cols_number - 1]
-
-    @property
-    def complete_trajectory(self) -> np.ndarray:
-        return self._actual_trajectory
-
-    @property
-    def times(self):
-        return self._times
-
-    def size(self):
-        return self._actual_trajectory.shape[0]
-
-    def __repr__(self):
-        return "Complete Trajectory Rows: " + str(self.size()) + "\n" + self.complete_trajectory.__repr__() + \
-               "\nTimes Rows:" + str(self.times.size) + "\n" + self.times.__repr__()
-
-

PyCTBN/build/lib/PyCTBN/utility/__init__.py

@@ -1,4 +0,0 @@
-from .abstract_importer import AbstractImporter
-from .cache import Cache
-from .json_importer import JsonImporter
-from .sample_importer import SampleImporter

PyCTBN/build/lib/PyCTBN/utility/abstract_importer.py

@@ -1,164 +0,0 @@
-
-import typing
-from abc import ABC, abstractmethod
-
-import numpy as np
-import pandas as pd
-
-import copy
-
-#from sklearn.utils import resample
-
-
-class AbstractImporter(ABC):
-    """Abstract class that exposes all the necessary methods to process the trajectories and the net structure.
-
-    :param file_path: the file path, or dataset name if you import already processed data
-    :type file_path: str
-    :param trajectory_list: Dataframe or numpy array containing the concatenation of all the processed trajectories
-    :type trajectory_list: typing.Union[pandas.DataFrame, numpy.ndarray]
-    :param variables: Dataframe containing the nodes labels and cardinalities
-    :type variables: pandas.DataFrame
-    :prior_net_structure: Dataframe containing the structure of the network (edges)
-    :type prior_net_structure: pandas.DataFrame
-    :_sorter: A list containing the variables labels in the SAME order as the columns in ``concatenated_samples``
-
-    .. warning::
-        The parameters ``variables`` and ``prior_net_structure`` HAVE to be properly constructed
-        as Pandas Dataframes with the following structure:
-        Header of _df_structure = [From_Node | To_Node]
-        Header of _df_variables = [Variable_Label | Variable_Cardinality]
-        See the tutorial on how to construct a correct ``concatenated_samples`` Dataframe/ndarray.
-
-    .. note::
-        See :class:``JsonImporter`` for an example implementation
-
-    """
-
-    def __init__(self, file_path: str = None, trajectory_list: typing.Union[pd.DataFrame, np.ndarray] = None,
-                 variables: pd.DataFrame = None, prior_net_structure: pd.DataFrame = None):
-        """Constructor
-        """
-        self._file_path = file_path
-        self._df_samples_list = trajectory_list
-        self._concatenated_samples = []
-        self._df_variables = variables
-        self._df_structure = prior_net_structure
-        self._sorter = None
-        super().__init__()
-
-    @abstractmethod
-    def build_sorter(self, trajecory_header: object) -> typing.List:
-        """Initializes the ``_sorter`` class member from a trajectory dataframe, exctracting the header of the frame
-        and keeping ONLY the variables symbolic labels, cutting out the time label in the header.
-
-        :param trajecory_header: an object that will be used to define the header
-        :type trajecory_header: object
-        :return: A list containing the processed header.
-        :rtype: List
-        """
-        pass
-
-    def compute_row_delta_sigle_samples_frame(self, sample_frame: pd.DataFrame,
-                                              columns_header: typing.List, shifted_cols_header: typing.List) \
-            -> pd.DataFrame:
-        """Computes the difference between each value present in th time column.
-        Copies and shift by one position up all the values present in the remaining columns.
-
-        :param sample_frame: the traj to be processed
-        :type sample_frame: pandas.Dataframe
-        :param columns_header: the original header of sample_frame
-        :type columns_header: List
-        :param shifted_cols_header: a copy of columns_header with changed names of the contents
-        :type shifted_cols_header: List
-        :return: The processed dataframe
-        :rtype: pandas.Dataframe
-
-        .. warning::
-            the Dataframe ``sample_frame`` has to follow the column structure of this header:
-            Header of sample_frame = [Time | Variable values]
-        """
-        sample_frame = copy.deepcopy(sample_frame)
-        sample_frame.iloc[:, 0] = sample_frame.iloc[:, 0].diff().shift(-1)
-        shifted_cols = sample_frame[columns_header].shift(-1).fillna(0).astype('int32')
-        shifted_cols.columns = shifted_cols_header
-        sample_frame = sample_frame.assign(**shifted_cols)
-        sample_frame.drop(sample_frame.tail(1).index, inplace=True)
-        return sample_frame
-
-    def compute_row_delta_in_all_samples_frames(self, df_samples_list: typing.List) -> None:
-        """Calls the method ``compute_row_delta_sigle_samples_frame`` on every dataframe present in the list
-        ``df_samples_list``.
-        Concatenates the result in the dataframe ``concatanated_samples``
-
-        :param df_samples_list: the datframe's list to be processed and concatenated
-        :type df_samples_list: List
-
-        .. warning::
-            The Dataframe sample_frame has to follow the column structure of this header:
-            Header of sample_frame = [Time | Variable values]
-            The class member self._sorter HAS to be properly INITIALIZED (See class members definition doc)
-        .. note::
-            After the call of this method the class member ``concatanated_samples`` will contain all processed
-            and merged trajectories
-        """
-        if not self._sorter:
-            raise RuntimeError("The class member self._sorter has to be INITIALIZED!")
-        shifted_cols_header = [s + "S" for s in self._sorter]
-        compute_row_delta = self.compute_row_delta_sigle_samples_frame
-        proc_samples_list = [compute_row_delta(sample, self._sorter, shifted_cols_header)
-                                for sample in df_samples_list]
-        self._concatenated_samples = pd.concat(proc_samples_list)
-
-        complete_header = self._sorter[:]
-        complete_header.insert(0,'Time')
-        complete_header.extend(shifted_cols_header)
-        self._concatenated_samples = self._concatenated_samples[complete_header]
-
-    def build_list_of_samples_array(self, concatenated_sample: pd.DataFrame) -> typing.List:
-        """Builds a List containing the the delta times numpy array, and the complete transitions matrix
-
-        :param concatenated_sample: the dataframe/array from which the time, and transitions matrix have to be extracted
-            and converted
-        :type concatenated_sample: pandas.Dataframe
-        :return: the resulting list of numpy arrays
-        :rtype: List
-        """
-        
-        concatenated_array = concatenated_sample.to_numpy()
-        columns_list = [concatenated_array[:, 0], concatenated_array[:, 1:].astype(int)]
-
-        return columns_list
-
-    def clear_concatenated_frame(self) -> None:
-        """Removes all values in the dataframe concatenated_samples.
-         """
-        if isinstance(self._concatenated_samples, pd.DataFrame):
-            self._concatenated_samples = self._concatenated_samples.iloc[0:0]
-
-    @abstractmethod
-    def dataset_id(self) -> object:
-        """If the original dataset contains multiple dataset, this method returns a unique id to identify the current
-        dataset
-        """
-        pass
-
-    @property
-    def concatenated_samples(self) -> pd.DataFrame:
-        return self._concatenated_samples
-
-    @property
-    def variables(self) -> pd.DataFrame:
-        return self._df_variables
-
-    @property
-    def structure(self) -> pd.DataFrame:
-        return self._df_structure
-
-    @property
-    def sorter(self) -> typing.List:
-        return self._sorter
-
-    @property
-    def file_path(self) -> str:
-        return self._file_path

PyCTBN/build/lib/PyCTBN/utility/cache.py

@@ -1,58 +0,0 @@
-
-import typing
-
-from ..structure_graph.set_of_cims import SetOfCims 
-
-
-class Cache:
-    """This class acts as a cache of ``SetOfCims`` objects for a node.
-
-    :__list_of_sets_of_parents: a list of ``Sets`` objects of the parents to which the cim in cache at SAME
-        index is related
-    :__actual_cache: a list of setOfCims objects
-    """
-
-    def __init__(self):
-        """Constructor Method
-        """
-        self._list_of_sets_of_parents = []
-        self._actual_cache = []
-
-    def find(self, parents_comb: typing.Set): #typing.Union[typing.Set, str]
-        """
-        Tries to find in cache given the symbolic parents combination ``parents_comb`` the ``SetOfCims``
-        related to that ``parents_comb``.
-
-        :param parents_comb: the parents related to that ``SetOfCims``
-        :type parents_comb: Set
-        :return: A ``SetOfCims`` object if the ``parents_comb`` index is found in ``__list_of_sets_of_parents``.
-            None otherwise.
-        :rtype: SetOfCims
-        """
-        try:
-            #print("Cache State:", self.list_of_sets_of_indxs)
-            #print("Look For:", parents_comb)
-            result = self._actual_cache[self._list_of_sets_of_parents.index(parents_comb)]
-            #print("CACHE HIT!!!!", parents_comb)
-            return result
-        except ValueError:
-            return None
-
-    def put(self, parents_comb: typing.Set, socim: SetOfCims):
-        """Place in cache the ``SetOfCims`` object, and the related symbolic index ``parents_comb`` in
-        ``__list_of_sets_of_parents``.
-
-        :param parents_comb: the symbolic set index
-        :type parents_comb: Set
-        :param socim: the related SetOfCims object
-        :type socim: SetOfCims
-        """
-        #print("Putting in cache:", parents_comb)
-        self._list_of_sets_of_parents.append(parents_comb)
-        self._actual_cache.append(socim)
-
-    def clear(self):
-        """Clear the contents both of ``__actual_cache`` and ``__list_of_sets_of_parents``.
-        """
-        del self._list_of_sets_of_parents[:]
-        del self._actual_cache[:]

PyCTBN/build/lib/PyCTBN/utility/json_importer.py

@@ -1,176 +0,0 @@
-import json
-import typing
-
-import pandas as pd
-
-
-from .abstract_importer import AbstractImporter
-
-
-class JsonImporter(AbstractImporter):
-    """Implements the abstracts methods of AbstractImporter and adds all the necessary methods to process and prepare
-    the data in json extension.
-
-    :param file_path: the path of the file that contains tha data to be imported
-    :type file_path: string
-    :param samples_label: the reference key for the samples in the trajectories
-    :type samples_label: string
-    :param structure_label: the reference key for the structure of the network data
-    :type structure_label: string
-    :param variables_label: the reference key for the cardinalites of the nodes data
-    :type variables_label: string
-    :param time_key: the key used to identify the timestamps in each trajectory
-    :type time_key: string
-    :param variables_key: the key used to identify the names of the variables in the net
-    :type variables_key: string
-    :_array_indx: the index of the outer JsonArray to extract the data from
-    :type _array_indx: int
-    :_df_samples_list: a Dataframe list in which every dataframe contains a trajectory
-    :_raw_data: The raw contents of the json file to import
-    :type _raw_data: List
-    """
-
-    def __init__(self, file_path: str, samples_label: str, structure_label: str, variables_label: str, time_key: str,
-                 variables_key: str):
-        """Constructor method
-
-        .. note::
-            This constructor calls also the method ``read_json_file()``, so after the construction of the object
-            the class member ``_raw_data`` will contain the raw imported json data.
-
-        """
-        self._samples_label = samples_label
-        self._structure_label = structure_label
-        self._variables_label = variables_label
-        self._time_key = time_key
-        self._variables_key = variables_key
-        self._df_samples_list = None
-        self._array_indx = None
-        super(JsonImporter, self).__init__(file_path)
-        self._raw_data = self.read_json_file()
-
-    def import_data(self, indx: int) -> None:
-        """Implements the abstract method of :class:`AbstractImporter`.
-
-        :param indx: the index of the outer JsonArray to extract the data from
-        :type indx: int
-        """
-        self._array_indx = indx
-        self._df_samples_list = self.import_trajectories(self._raw_data)
-        self._sorter = self.build_sorter(self._df_samples_list[0])
-        self.compute_row_delta_in_all_samples_frames(self._df_samples_list)
-        self.clear_data_frame_list()
-        self._df_structure = self.import_structure(self._raw_data)
-        self._df_variables = self.import_variables(self._raw_data)
-
-    def import_trajectories(self, raw_data: typing.List) -> typing.List:
-        """Imports the trajectories from the list of dicts ``raw_data``.
-
-        :param raw_data: List of Dicts
-        :type raw_data: List
-        :return: List of dataframes containing all the trajectories
-        :rtype: List
-        """
-        return self.normalize_trajectories(raw_data, self._array_indx, self._samples_label)
-
-    def import_structure(self, raw_data: typing.List) -> pd.DataFrame:
-        """Imports in a dataframe the data in the list raw_data at the key ``_structure_label``
-
-        :param raw_data: List of Dicts
-        :type raw_data: List
-        :return: Dataframe containg the starting node a ending node of every arc of the network
-        :rtype: pandas.Dataframe
-        """
-        return self.one_level_normalizing(raw_data, self._array_indx, self._structure_label)
-
-    def import_variables(self, raw_data: typing.List) -> pd.DataFrame:
-        """Imports the data in ``raw_data`` at the key ``_variables_label``.
-
-        :param raw_data: List of Dicts
-        :type raw_data: List
-        :return: Datframe containg the variables simbolic labels and their cardinalities
-        :rtype: pandas.Dataframe
-        """
-        return self.one_level_normalizing(raw_data, self._array_indx, self._variables_label)
-
-    def read_json_file(self) -> typing.List:
-        """Reads the JSON file in the path self.filePath.
-
-        :return: The contents of the json file
-        :rtype: List
-        """
-        with open(self._file_path) as f:
-            data = json.load(f)
-            return data
-
-    def one_level_normalizing(self, raw_data: typing.List, indx: int, key: str) -> pd.DataFrame:
-        """Extracts the one-level nested data in the list ``raw_data`` at the index ``indx`` at the key ``key``.
-
-        :param raw_data: List of Dicts
-        :type raw_data: List
-        :param indx: The index of the array from which the data have to be extracted
-        :type indx: int
-        :param key: the key for the Dicts from which exctract data
-        :type key: string
-        :return: A normalized dataframe
-        :rtype: pandas.Datframe
-        """
-        return pd.DataFrame(raw_data[indx][key])
-
-    def normalize_trajectories(self, raw_data: typing.List, indx: int, trajectories_key: str) -> typing.List:
-        """
-        Extracts the trajectories in ``raw_data`` at the index ``index`` at the key ``trajectories key``.
-
-        :param raw_data: List of Dicts
-        :type raw_data: List
-        :param indx: The index of the array from which the data have to be extracted
-        :type indx: int
-        :param trajectories_key: the key of the trajectories objects
-        :type trajectories_key: string
-        :return: A list of daframes containg the trajectories
-        :rtype: List
-        """
-        dataframe = pd.DataFrame
-        smps = raw_data[indx][trajectories_key]
-        df_samples_list = [dataframe(sample) for sample in smps]
-        return df_samples_list
-
-    def build_sorter(self, sample_frame: pd.DataFrame) -> typing.List:
-        """Implements the abstract method build_sorter of the :class:`AbstractImporter` for this dataset.
-        """
-        columns_header = list(sample_frame.columns.values)
-        columns_header.remove(self._time_key)
-        return columns_header
-
-    def clear_data_frame_list(self) -> None:
-        """Removes all values present in the dataframes in the list ``_df_samples_list``.
-        """
-        for indx in range(len(self._df_samples_list)):
-            self._df_samples_list[indx] = self._df_samples_list[indx].iloc[0:0]
-
-    def dataset_id(self) -> object:
-        return self._array_indx
-
-    def import_sampled_cims(self, raw_data: typing.List, indx: int, cims_key: str) -> typing.Dict:
-        """Imports the synthetic CIMS in the dataset in a dictionary, using variables labels
-        as keys for the set of CIMS of a particular node.
-
-        :param raw_data: List of Dicts
-        :type raw_data: List
-        :param indx: The index of the array from which the data have to be extracted
-        :type indx: int
-        :param cims_key: the key where the json object cims are placed
-        :type cims_key: string
-        :return: a dictionary containing the sampled CIMS for all the variables in the net
-        :rtype: Dictionary
-        """
-        cims_for_all_vars = {}
-        for var in raw_data[indx][cims_key]:
-            sampled_cims_list = []
-            cims_for_all_vars[var] = sampled_cims_list
-            for p_comb in raw_data[indx][cims_key][var]:
-                cims_for_all_vars[var].append(pd.DataFrame(raw_data[indx][cims_key][var][p_comb]).to_numpy())
-        return cims_for_all_vars
-
-
-

PyCTBN/build/lib/PyCTBN/utility/sample_importer.py

@@ -1,65 +0,0 @@
-import json
-import typing
-
-import pandas as pd
-import numpy as np
-
-from .abstract_importer import AbstractImporter
-
-
-
-class SampleImporter(AbstractImporter):
-    """Implements the abstracts methods of AbstractImporter and adds all the necessary methods to process and prepare
-    the data loaded directly by using DataFrame
-
-    :param trajectory_list: the data that describes the trajectories
-    :type trajectory_list: typing.Union[pd.DataFrame, np.ndarray, typing.List]
-    :param variables: the data that describes the variables with name and cardinality
-    :type variables: typing.Union[pd.DataFrame, np.ndarray, typing.List]
-    :param prior_net_structure: the data of the real structure, if it exists
-    :type prior_net_structure: typing.Union[pd.DataFrame, np.ndarray, typing.List]
-
-    :_df_samples_list: a Dataframe list in which every dataframe contains a trajectory
-    :_raw_data: The raw contents of the json file to import
-    :type _raw_data: List
-    """
-
-    def __init__(self, 
-                trajectory_list: typing.Union[pd.DataFrame, np.ndarray, typing.List] = None,
-                variables: typing.Union[pd.DataFrame, np.ndarray, typing.List] = None,
-                prior_net_structure: typing.Union[pd.DataFrame, np.ndarray,typing.List] = None):
-
-        'If the data are not DataFrame, it will be converted'
-        if isinstance(variables,list) or isinstance(variables,np.ndarray):
-            variables = pd.DataFrame(variables)
-        if isinstance(variables,list) or isinstance(variables,np.ndarray):
-            prior_net_structure=pd.DataFrame(prior_net_structure)
-
-        super(SampleImporter, self).__init__(trajectory_list =trajectory_list,
-                                        variables= variables,
-                                        prior_net_structure=prior_net_structure)
-
-    def import_data(self, header_column = None):
-
-        if header_column is not None:
-            self._sorter = header_column
-        else:    
-            self._sorter = self.build_sorter(self._df_samples_list[0])
-
-        samples_list= self._df_samples_list
-
-        if isinstance(samples_list, np.ndarray):
-            samples_list = samples_list.tolist()
-
-        self.compute_row_delta_in_all_samples_frames(samples_list)
-
-    def build_sorter(self, sample_frame: pd.DataFrame) -> typing.List:
-        """Implements the abstract method build_sorter of the :class:`AbstractImporter` in order to get the ordered variables list.
-        """
-        columns_header = list(sample_frame.columns.values)
-        del columns_header[0]
-        return columns_header
-
-
-    def dataset_id(self) -> object:
-        pass

PyCTBN/build/lib/classes/__init__.py

@@ -1,8 +0,0 @@
-import PyCTBN.PyCTBN.estimators
-from PyCTBN.PyCTBN.estimators import *
-import PyCTBN.PyCTBN.optimizers
-from PyCTBN.PyCTBN.optimizers import *
-import PyCTBN.PyCTBN.structure_graph
-from PyCTBN.PyCTBN.structure_graph import *
-import PyCTBN.PyCTBN.utility
-from PyCTBN.PyCTBN.utility import *

PyCTBN/build/lib/classes/estimators/__init__.py

@@ -1,5 +0,0 @@
-from .fam_score_calculator import FamScoreCalculator
-from .parameters_estimator import ParametersEstimator
-from .structure_estimator import StructureEstimator
-from .structure_constraint_based_estimator import StructureConstraintBasedEstimator
-from .structure_score_based_estimator import StructureScoreBasedEstimator

PyCTBN/build/lib/classes/estimators/fam_score_calculator.py

@@ -1,272 +0,0 @@
-
-import itertools
-import json
-import typing
-
-import networkx as nx
-import numpy as np
-from networkx.readwrite import json_graph
-
-from math import log
-
-from scipy.special import loggamma
-from random import choice
-
-from ..structure_graph.set_of_cims import SetOfCims
-from ..structure_graph.network_graph import NetworkGraph
-from ..structure_graph.conditional_intensity_matrix import ConditionalIntensityMatrix
-
-
-'''
-
-'''
-
-
-class FamScoreCalculator:
-    """
-    Has the task of calculating the FamScore of a node by using a Bayesian score function
-    """
-
-    def __init__(self):
-        #np.seterr('raise')
-        pass
-
-    # region theta
-
-    def marginal_likelihood_theta(self,
-                        cims: ConditionalIntensityMatrix,
-                        alpha_xu: float,
-                        alpha_xxu: float):
-        """
-        Calculate the FamScore value of the node identified by the label node_id
-
-        :param cims: np.array with all the node's cims
-        :type cims: np.array
-        :param alpha_xu: hyperparameter over the CTBN’s q parameters, default to 0.1
-        :type alpha_xu: float
-        :param alpha_xxu: distribuited hyperparameter over the CTBN’s theta parameters
-        :type alpha_xxu: float
-
-        :return: the value of the marginal likelihood over theta
-        :rtype: float
-        """
-        return np.sum(
-                        [self.variable_cim_xu_marginal_likelihood_theta(cim,
-                                                                    alpha_xu,
-                                                                    alpha_xxu)
-                        for cim in cims])
-
-    def variable_cim_xu_marginal_likelihood_theta(self,
-                        cim: ConditionalIntensityMatrix,
-                        alpha_xu: float,
-                        alpha_xxu: float):
-        """
-        Calculate the value of the marginal likelihood over theta given a cim
-
-        :param cim: A conditional_intensity_matrix object with the sufficient statistics
-        :type cim: class:'ConditionalIntensityMatrix'
-        :param alpha_xu: hyperparameter over the CTBN’s q parameters, default to 0.1
-        :type alpha_xu: float
-        :param alpha_xxu: distribuited hyperparameter over the CTBN’s theta parameters
-        :type alpha_xxu: float
-
-        :return: the value of the marginal likelihood over theta
-        :rtype: float
-        """
-
-        'get cim length'
-        values = len(cim._state_residence_times)
-
-        'compute the marginal likelihood for the current cim'
-        return np.sum([
-                    self.single_cim_xu_marginal_likelihood_theta(
-                                                index,
-                                                cim,
-                                                alpha_xu,
-                                                alpha_xxu)
-                    for index in range(values)])
-
-    def single_cim_xu_marginal_likelihood_theta(self,
-                    index: int,
-                    cim: ConditionalIntensityMatrix,
-                    alpha_xu: float,
-                    alpha_xxu: float):
-        """
-        Calculate the marginal likelihood on q of the node when assumes a specif value
-        and a specif parents's assignment
-
-        :param cim: A conditional_intensity_matrix object with the sufficient statistics
-        :type cim: class:'ConditionalIntensityMatrix'
-        :param alpha_xu: hyperparameter over the CTBN’s q parameters
-        :type alpha_xu: float
-        :param alpha_xxu: distribuited hyperparameter over the CTBN’s theta parameters
-        :type alpha_xxu: float
-
-        :return: the value of the marginal likelihood over theta when the node assumes a specif value
-        :rtype: float
-        """
-
-        values = list(range(len(cim._state_residence_times)))
-
-        'remove the index because of the x != x^ condition in the summation '
-        values.remove(index)
-
-        'uncomment for alpha xx not uniform'
-        #alpha_xxu = alpha_xu * cim.state_transition_matrix[index,index_x_first] / cim.state_transition_matrix[index, index])
-
-        return (loggamma(alpha_xu) - loggamma(alpha_xu + cim.state_transition_matrix[index, index])) \
-                + \
-                np.sum([self.single_internal_cim_xxu_marginal_likelihood_theta(
-                                                                        cim.state_transition_matrix[index,index_x_first],
-                                                                        alpha_xxu)
-                for index_x_first in values])
-
-
-    def single_internal_cim_xxu_marginal_likelihood_theta(self,
-                                                M_xxu_suff_stats: float,
-                                                alpha_xxu: float=1):
-        """Calculate the second part of the marginal likelihood over theta formula
-        
-        :param M_xxu_suff_stats: value of the suffucient statistic M[xx'|u]
-        :type M_xxu_suff_stats: float
-        :param alpha_xxu: distribuited hyperparameter over the CTBN’s theta parameters
-        :type alpha_xxu: float
-
-        :return: the value of the marginal likelihood over theta when the node assumes a specif value
-        :rtype: float
-        """
-        return loggamma(alpha_xxu+M_xxu_suff_stats) - loggamma(alpha_xxu)
-
-    # endregion
-
-    # region q
-
-    def marginal_likelihood_q(self,
-                        cims: np.array,
-                        tau_xu: float=0.1,
-                        alpha_xu: float=1):
-        """
-        Calculate the value of the marginal likelihood over q of the node identified by the label node_id
-        
-        :param cims: np.array with all the node's cims
-        :type cims: np.array
-        :param tau_xu: hyperparameter over the CTBN’s q parameters
-        :type tau_xu: float
-        :param alpha_xu: hyperparameter over the CTBN’s q parameters
-        :type alpha_xu: float
-
-
-        :return: the value of the marginal likelihood over q
-        :rtype: float
-        """
-
-        return np.sum([self.variable_cim_xu_marginal_likelihood_q(cim, tau_xu, alpha_xu) for cim in cims])
-
-    def variable_cim_xu_marginal_likelihood_q(self,
-                        cim: ConditionalIntensityMatrix,
-                        tau_xu: float=0.1,
-                        alpha_xu: float=1):
-        """
-        Calculate the value of the marginal likelihood over q given a cim
-        
-        :param cim: A conditional_intensity_matrix object with the sufficient statistics
-        :type cim: class:'ConditionalIntensityMatrix'
-        :param tau_xu: hyperparameter over the CTBN’s q parameters
-        :type tau_xu: float
-        :param alpha_xu: hyperparameter over the CTBN’s q parameters
-        :type alpha_xu: float
-
-
-        :return: the value of the marginal likelihood over q
-        :rtype: float
-        """
-
-        'get cim length'
-        values=len(cim._state_residence_times)
-
-        'compute the marginal likelihood for the current cim'
-        return np.sum([
-                    self.single_cim_xu_marginal_likelihood_q(
-                                                cim.state_transition_matrix[index, index],
-                                                cim._state_residence_times[index],
-                                                tau_xu,
-                                                alpha_xu)
-                    for index in range(values)])
-
-
-    def single_cim_xu_marginal_likelihood_q(self,
-                        M_xu_suff_stats: float,
-                        T_xu_suff_stats: float,
-                        tau_xu: float=0.1,
-                        alpha_xu: float=1):
-        """
-        Calculate the marginal likelihood on q of the node when assumes a specif value
-        and a specif parents's assignment
-        
-        :param M_xu_suff_stats: value of the suffucient statistic M[x|u]
-        :type M_xxu_suff_stats: float
-        :param T_xu_suff_stats: value of the suffucient statistic T[x|u]
-        :type T_xu_suff_stats: float
-        :param cim: A conditional_intensity_matrix object with the sufficient statistics
-        :type cim: class:'ConditionalIntensityMatrix'
-        :param tau_xu: hyperparameter over the CTBN’s q parameters
-        :type tau_xu: float
-        :param alpha_xu: hyperparameter over the CTBN’s q parameters
-        :type alpha_xu: float
-
-
-        :return: the value of the marginal likelihood of the node when assumes a specif value
-        :rtype: float
-        """
-        return (
-                loggamma(alpha_xu + M_xu_suff_stats + 1) + 
-                                                        (log(tau_xu)
-                                                        *
-                                                        (alpha_xu+1))
-                ) \
-                - \
-                (loggamma(alpha_xu + 1)+(
-                                    log(tau_xu + T_xu_suff_stats) 
-                                    *
-                                    (alpha_xu + M_xu_suff_stats + 1))
-                )
-
-    # end region
-
-    def get_fam_score(self,
-                cims: np.array,
-                tau_xu: float=0.1,
-                alpha_xu: float=1):
-        """
-        Calculate the FamScore value of the node
-        
-        
-        :param cims: np.array with all the node's cims
-        :type cims: np.array
-        :param tau_xu: hyperparameter over the CTBN’s q parameters, default to 0.1
-        :type tau_xu: float, optional
-        :param alpha_xu: hyperparameter over the CTBN’s q parameters, default to 1
-        :type alpha_xu: float, optional
-
-
-        :return: the FamScore value of the node
-        :rtype: float
-        """
-        #print("------")
-        #print(self.marginal_likelihood_q(cims,
-                                    # tau_xu,
-                                    # alpha_xu))
-
-        #print(self.marginal_likelihood_theta(cims, 
-                                        # alpha_xu,
-                                        # alpha_xxu))
-        'calculate alpha_xxu as a uniform distribution'                                
-        alpha_xxu = alpha_xu /(len(cims[0]._state_residence_times) - 1)
-
-        return self.marginal_likelihood_q(cims,
-                                    tau_xu,
-                                    alpha_xu) \
-               + \
-               self.marginal_likelihood_theta(cims, 
-                                        alpha_xu,
-                                        alpha_xxu)

PyCTBN/build/lib/classes/estimators/parameters_estimator.py

@@ -1,143 +0,0 @@
-import sys
-sys.path.append('../')
-import numpy as np
-
-from ..structure_graph.network_graph import NetworkGraph
-from ..structure_graph.set_of_cims import SetOfCims
-from ..structure_graph.trajectory import Trajectory
-
-
-class ParametersEstimator(object):
-    """Has the task of computing the cims of particular node given the trajectories and the net structure
-    in the graph ``_net_graph``.
-
-    :param trajectories:  the trajectories
-    :type trajectories: Trajectory
-    :param net_graph: the net structure
-    :type net_graph: NetworkGraph
-    :_single_set_of_cims: the set of cims object that will hold the cims of the node
-    """
-
-    def __init__(self, trajectories: Trajectory, net_graph: NetworkGraph):
-        """Constructor Method
-        """
-        self._trajectories = trajectories
-        self._net_graph = net_graph
-        self._single_set_of_cims = None
-
-    def fast_init(self, node_id: str) -> None:
-        """Initializes all the necessary structures for the parameters estimation for the node ``node_id``.
-
-        :param node_id: the node label
-        :type node_id: string
-        """
-        p_vals = self._net_graph._aggregated_info_about_nodes_parents[2]
-        node_states_number = self._net_graph.get_states_number(node_id)
-        self._single_set_of_cims = SetOfCims(node_id, p_vals, node_states_number, self._net_graph.p_combs)
-
-    def compute_parameters_for_node(self, node_id: str) -> SetOfCims:
-        """Compute the CIMS of the node identified by the label ``node_id``.
-
-        :param node_id: the node label
-        :type node_id: string
-        :return: A SetOfCims object filled with the computed CIMS
-        :rtype: SetOfCims
-        """
-        node_indx = self._net_graph.get_node_indx(node_id)
-        state_res_times = self._single_set_of_cims._state_residence_times
-        transition_matrices = self._single_set_of_cims._transition_matrices
-        ParametersEstimator.compute_state_res_time_for_node(self._trajectories.times,
-                                             self._trajectories.trajectory,
-                                             self._net_graph.time_filtering,
-                                             self._net_graph.time_scalar_indexing_strucure,
-                                             state_res_times)
-        ParametersEstimator.compute_state_transitions_for_a_node(node_indx, self._trajectories.complete_trajectory,
-                                                                 self._net_graph.transition_filtering,
-                                                                 self._net_graph.transition_scalar_indexing_structure,
-                                                                 transition_matrices)
-        self._single_set_of_cims.build_cims(state_res_times, transition_matrices)
-        return self._single_set_of_cims
-
-    @staticmethod
-    def compute_state_res_time_for_node(times: np.ndarray, trajectory: np.ndarray,
-                                        cols_filter: np.ndarray, scalar_indexes_struct: np.ndarray,
-                                        T: np.ndarray) -> None:
-        """Compute the state residence times for a node and fill the matrix ``T`` with the results
-
-        :param node_indx: the index of the node
-        :type node_indx: int
-        :param times: the times deltas vector
-        :type times: numpy.array
-        :param trajectory: the trajectory
-        :type trajectory: numpy.ndArray
-        :param cols_filter: the columns filtering structure
-        :type cols_filter: numpy.array
-        :param scalar_indexes_struct: the indexing structure
-        :type scalar_indexes_struct: numpy.array
-        :param T: the state residence times vectors
-        :type T: numpy.ndArray
-        """
-        T[:] = np.bincount(np.sum(trajectory[:, cols_filter] * scalar_indexes_struct / scalar_indexes_struct[0], axis=1)
-                           .astype(np.int), \
-                           times,
-                           minlength=scalar_indexes_struct[-1]).reshape(-1, T.shape[1])
-
-    @staticmethod
-    def compute_state_transitions_for_a_node(node_indx: int, trajectory: np.ndarray, cols_filter: np.ndarray,
-                                             scalar_indexing: np.ndarray, M: np.ndarray) -> None:
-        """Compute the state residence times for a node and fill the matrices ``M`` with the results.
-
-        :param node_indx: the index of the node
-        :type node_indx: int
-        :param trajectory: the trajectory
-        :type trajectory: numpy.ndArray
-        :param cols_filter: the columns filtering structure
-        :type cols_filter: numpy.array
-        :param scalar_indexing: the indexing structure
-        :type scalar_indexing: numpy.array
-        :param M: the state transitions matrices
-        :type M: numpy.ndArray
-        """
-        diag_indices = np.array([x * M.shape[1] + x % M.shape[1] for x in range(M.shape[0] * M.shape[1])],
-                                dtype=np.int64)
-        trj_tmp = trajectory[trajectory[:, int(trajectory.shape[1] / 2) + node_indx].astype(np.int) >= 0]
-        M[:] = np.bincount(np.sum(trj_tmp[:, cols_filter] * scalar_indexing / scalar_indexing[0], axis=1).astype(np.int)
-                           , minlength=scalar_indexing[-1]).reshape(-1, M.shape[1], M.shape[2])
-        M_raveled = M.ravel()
-        M_raveled[diag_indices] = 0
-        M_raveled[diag_indices] = np.sum(M, axis=2).ravel()
-
-    def init_sets_cims_container(self):
-        self.sets_of_cims_struct = acims.SetsOfCimsContainer(self.net_graph.nodes,
-                                                             self.net_graph.nodes_values,
-                                                             self.net_graph.get_ordered_by_indx_parents_values_for_all_nodes(),
-                                                             self.net_graph.p_combs)
-
-    def compute_parameters(self):
-        #print(self.net_graph.get_nodes())
-        #print(self.amalgamated_cims_struct.sets_of_cims)
-        #enumerate(zip(self.net_graph.get_nodes(), self.amalgamated_cims_struct.sets_of_cims))
-        for indx, aggr in enumerate(zip(self.net_graph.nodes, self.sets_of_cims_struct.sets_of_cims)):
-            #print(self.net_graph.time_filtering[indx])
-            #print(self.net_graph.time_scalar_indexing_strucure[indx])
-            self.compute_state_res_time_for_node(self.net_graph.get_node_indx(aggr[0]), self.sample_path.trajectories.times,
-                                                 self.sample_path.trajectories.trajectory,
-                                                 self.net_graph.time_filtering[indx],
-                                                 self.net_graph.time_scalar_indexing_strucure[indx],
-                                                 aggr[1]._state_residence_times)
-            #print(self.net_graph.transition_filtering[indx])
-            #print(self.net_graph.transition_scalar_indexing_structure[indx])
-            self.compute_state_transitions_for_a_node(self.net_graph.get_node_indx(aggr[0]),
-                                                      self.sample_path.trajectories.complete_trajectory,
-                                                      self.net_graph.transition_filtering[indx],
-                                                      self.net_graph.transition_scalar_indexing_structure[indx],
-                                                      aggr[1]._transition_matrices)
-            aggr[1].build_cims(aggr[1]._state_residence_times, aggr[1]._transition_matrices)
-
-
-
-
-
-
-
-

PyCTBN/build/lib/classes/estimators/structure_constraint_based_estimator.py

@@ -1,238 +0,0 @@
-
-import itertools
-import json
-import typing
-
-import networkx as nx
-import numpy as np
-from networkx.readwrite import json_graph
-import os
-from scipy.stats import chi2 as chi2_dist
-from scipy.stats import f as f_dist
-from tqdm import tqdm
-
-from ..utility.cache import Cache
-from ..structure_graph.conditional_intensity_matrix import ConditionalIntensityMatrix
-from ..structure_graph.network_graph import NetworkGraph
-from .parameters_estimator import ParametersEstimator
-from .structure_estimator import StructureEstimator
-from ..structure_graph.sample_path import SamplePath
-from ..structure_graph.structure import Structure
-from ..optimizers.constraint_based_optimizer import ConstraintBasedOptimizer
-
-import concurrent.futures
-
-
-
-import multiprocessing
-from multiprocessing import Pool
-
-
-class StructureConstraintBasedEstimator(StructureEstimator):
-    """
-    Has the task of estimating the network structure given the trajectories in samplepath by using a constraint-based approach.
-
-    :param sample_path: the _sample_path object containing the trajectories and the real structure
-    :type sample_path: SamplePath
-    :param exp_test_alfa: the significance level for the exponential Hp test
-    :type exp_test_alfa: float
-    :param chi_test_alfa: the significance level for the chi Hp test
-    :type chi_test_alfa: float
-    :_nodes: the nodes labels
-    :_nodes_vals: the nodes cardinalities
-    :_nodes_indxs: the nodes indexes
-    :_complete_graph: the complete directed graph built using the nodes labels in ``_nodes``
-    :_cache: the Cache object
-    """
-
-    def __init__(self, sample_path: SamplePath, exp_test_alfa: float, chi_test_alfa: float,known_edges: typing.List= [],thumb_threshold:int = 25):
-        super().__init__(sample_path,known_edges)
-        self._exp_test_sign = exp_test_alfa
-        self._chi_test_alfa = chi_test_alfa
-        self._thumb_threshold = thumb_threshold
-        self._cache = Cache()
-
-    def complete_test(self, test_parent: str, test_child: str, parent_set: typing.List, child_states_numb: int,
-                      tot_vars_count: int, parent_indx, child_indx) -> bool:
-        """Performs a complete independence test on the directed graphs G1 = {test_child U parent_set}
-        G2 = {G1 U test_parent} (added as an additional parent of the test_child).
-        Generates all the necessary structures and datas to perform the tests.
-
-        :param test_parent: the node label of the test parent
-        :type test_parent: string
-        :param test_child: the node label of the child
-        :type test_child: string
-        :param parent_set: the common parent set
-        :type parent_set: List
-        :param child_states_numb: the cardinality of the ``test_child``
-        :type child_states_numb: int
-        :param tot_vars_count: the total number of variables in the net
-        :type tot_vars_count: int
-        :return: True iff test_child and test_parent are independent given the sep_set parent_set. False otherwise
-        :rtype: bool
-        """
-        p_set = parent_set[:]
-        complete_info = parent_set[:]
-        complete_info.append(test_child)
-
-        parents = np.array(parent_set)
-        parents = np.append(parents, test_parent)
-        sorted_parents = self._nodes[np.isin(self._nodes, parents)]
-        cims_filter = sorted_parents != test_parent
-
-        p_set.insert(0, test_parent)
-        sofc2 = self._cache.find(set(p_set))
-
-        if not sofc2:
-            complete_info.append(test_parent)
-            bool_mask2 = np.isin(self._nodes, complete_info)
-            l2 = list(self._nodes[bool_mask2])
-            indxs2 = self._nodes_indxs[bool_mask2]
-            vals2 = self._nodes_vals[bool_mask2]
-            eds2 = list(itertools.product(p_set, test_child))
-            s2 = Structure(l2, indxs2, vals2, eds2, tot_vars_count)
-            g2 = NetworkGraph(s2)
-            g2.fast_init(test_child)
-            p2 = ParametersEstimator(self._sample_path.trajectories, g2)
-            p2.fast_init(test_child)
-            sofc2 = p2.compute_parameters_for_node(test_child)
-            self._cache.put(set(p_set), sofc2)
-
-        del p_set[0]
-        sofc1 = self._cache.find(set(p_set))
-        if not sofc1:
-            g2.remove_node(test_parent)
-            g2.fast_init(test_child)
-            p2 = ParametersEstimator(self._sample_path.trajectories, g2)
-            p2.fast_init(test_child)
-            sofc1 = p2.compute_parameters_for_node(test_child)
-            self._cache.put(set(p_set), sofc1)
-        thumb_value = 0.0
-        if child_states_numb > 2:
-            parent_val = self._sample_path.structure.get_states_number(test_parent)
-            bool_mask_vals = np.isin(self._nodes, parent_set)
-            parents_vals = self._nodes_vals[bool_mask_vals]
-            thumb_value = self.compute_thumb_value(parent_val, child_states_numb, parents_vals)
-        for cim1, p_comb in zip(sofc1.actual_cims, sofc1.p_combs):
-            cond_cims = sofc2.filter_cims_with_mask(cims_filter, p_comb)
-            for cim2 in cond_cims:
-                if not self.independence_test(child_states_numb, cim1, cim2, thumb_value, parent_indx, child_indx):
-                    return False
-        return True
-
-    def independence_test(self, child_states_numb: int, cim1: ConditionalIntensityMatrix,
-                          cim2: ConditionalIntensityMatrix, thumb_value: float, parent_indx, child_indx) -> bool:
-        """Compute the actual independence test using two cims.
-        It is performed first the exponential test and if the null hypothesis is not rejected,
-        it is performed also the chi_test.
-
-        :param child_states_numb: the cardinality of the test child
-        :type child_states_numb: int
-        :param cim1: a cim belonging to the graph without test parent
-        :type cim1: ConditionalIntensityMatrix
-        :param cim2: a cim belonging to the graph with test parent
-        :type cim2: ConditionalIntensityMatrix
-        :return: True iff both tests do NOT reject the null hypothesis of independence. False otherwise.
-        :rtype: bool
-        """
-        M1 = cim1.state_transition_matrix
-        M2 = cim2.state_transition_matrix
-        r1s = M1.diagonal()
-        r2s = M2.diagonal()
-        C1 = cim1.cim
-        C2 = cim2.cim
-        if child_states_numb > 2:
-            if (np.sum(np.diagonal(M1)) / thumb_value) < self._thumb_threshold:
-                self._removable_edges_matrix[parent_indx][child_indx] = False
-                return False
-        F_stats = C2.diagonal() / C1.diagonal()
-        exp_alfa = self._exp_test_sign
-        for val in range(0, child_states_numb):
-            if F_stats[val] < f_dist.ppf(exp_alfa / 2, r1s[val], r2s[val]) or \
-                    F_stats[val] > f_dist.ppf(1 - exp_alfa / 2, r1s[val], r2s[val]):
-                return False
-        M1_no_diag = M1[~np.eye(M1.shape[0], dtype=bool)].reshape(M1.shape[0], -1)
-        M2_no_diag = M2[~np.eye(M2.shape[0], dtype=bool)].reshape(
-            M2.shape[0], -1)
-        chi_2_quantile = chi2_dist.ppf(1 - self._chi_test_alfa, child_states_numb - 1)
-        Ks = np.sqrt(r1s / r2s)
-        Ls = np.sqrt(r2s / r1s)
-        for val in range(0, child_states_numb):
-            Chi = np.sum(np.power(Ks[val] * M2_no_diag[val] - Ls[val] *M1_no_diag[val], 2) /
-                         (M1_no_diag[val] + M2_no_diag[val]))
-            if Chi > chi_2_quantile:
-                return False
-        return True
-        
-    def compute_thumb_value(self, parent_val, child_val, parent_set_vals):
-        """Compute the value to test against the thumb_threshold.
-        
-        :param parent_val: test parent's variable cardinality
-        :type parent_val: int
-        :param child_val: test child's variable cardinality
-        :type child_val: int
-        :param parent_set_vals: the cardinalities of the nodes in the current sep-set
-        :type parent_set_vals: List
-        :return: the thumb value for the current independence test
-        :rtype: int
-        """
-        df = (child_val - 1) ** 2
-        df = df * parent_val
-        for v in parent_set_vals:
-            df = df * v
-        return df
-        
-    def one_iteration_of_CTPC_algorithm(self, var_id: str, tot_vars_count: int)-> typing.List:
-        """Performs an iteration of the CTPC algorithm using the node ``var_id`` as ``test_child``.
-
-        :param var_id: the node label of the test child
-        :type var_id: string
-        """
-        optimizer_obj = ConstraintBasedOptimizer(
-                                                            node_id = var_id,
-                                                            structure_estimator = self,
-                                                            tot_vars_count = tot_vars_count)
-        return optimizer_obj.optimize_structure()
-
-    
-    def ctpc_algorithm(self,disable_multiprocessing:bool= False ):
-        """Compute the CTPC algorithm over the entire net.
-        """
-        ctpc_algo = self.one_iteration_of_CTPC_algorithm
-        total_vars_numb = self._sample_path.total_variables_count
-
-        n_nodes= len(self._nodes)
-
-        total_vars_numb_array =  [total_vars_numb] *  n_nodes
-
-        'get the number of CPU'
-        cpu_count = multiprocessing.cpu_count()
-
-
-
-        'Remove all the edges from the structure'   
-        self._sample_path.structure.clean_structure_edges()
-
-        'Estimate the best parents for each node'
-        #with multiprocessing.Pool(processes=cpu_count) as pool:
-        #with get_context("spawn").Pool(processes=cpu_count) as pool:
-        if disable_multiprocessing:
-            print("DISABILITATO")
-            cpu_count = 1
-            list_edges_partial = [ctpc_algo(n,total_vars_numb) for n in self._nodes]
-        else:
-            with concurrent.futures.ProcessPoolExecutor(max_workers=cpu_count) as executor:
-                list_edges_partial = executor.map(ctpc_algo,
-                                                                 self._nodes,
-                                                                 total_vars_numb_array)
-            #list_edges_partial = [ctpc_algo(n,total_vars_numb) for n in self._nodes]
-
-        return set(itertools.chain.from_iterable(list_edges_partial))
-
-        
-    def estimate_structure(self,disable_multiprocessing:bool=False):
-        return self.ctpc_algorithm(disable_multiprocessing=disable_multiprocessing)
-
-    
-
-

PyCTBN/build/lib/classes/estimators/structure_estimator.py

@@ -1,187 +0,0 @@
-
-import itertools
-import json
-import typing
-
-import matplotlib.pyplot as plt
-import networkx as nx
-import numpy as np
-from networkx.readwrite import json_graph
-
-from abc import ABC
-
-import abc
-
-from ..utility.cache import Cache
-from ..structure_graph.conditional_intensity_matrix import ConditionalIntensityMatrix
-from ..structure_graph.network_graph import NetworkGraph
-from .parameters_estimator import ParametersEstimator
-from ..structure_graph.sample_path import SamplePath
-from ..structure_graph.structure import Structure
-
-
-class StructureEstimator(object):
-    """Has the task of estimating the network structure given the trajectories in ``samplepath``.
-
-    :param sample_path: the _sample_path object containing the trajectories and the real structure
-    :type sample_path: SamplePath
-    :_nodes: the nodes labels
-    :_nodes_vals: the nodes cardinalities
-    :_nodes_indxs: the nodes indexes
-    :_complete_graph: the complete directed graph built using the nodes labels in ``_nodes``
-    """
-
-    def __init__(self, sample_path: SamplePath, known_edges: typing.List = None):
-        self._sample_path = sample_path
-        self._nodes = np.array(self._sample_path.structure.nodes_labels)
-        self._nodes_vals = self._sample_path.structure.nodes_values
-        self._nodes_indxs = self._sample_path.structure.nodes_indexes
-        self._removable_edges_matrix = self.build_removable_edges_matrix(known_edges)
-        self._complete_graph = StructureEstimator.build_complete_graph(self._sample_path.structure.nodes_labels)
-        
-
-    def build_removable_edges_matrix(self, known_edges: typing.List):
-        """Builds a boolean matrix who shows if a edge could be removed or not, based on prior knowledge given:
-
-        :param known_edges: the list of nodes labels
-        :type known_edges: List
-        :return: a boolean matrix
-        :rtype: np.ndarray
-        """
-        tot_vars_count = self._sample_path.total_variables_count
-        complete_adj_matrix = np.full((tot_vars_count, tot_vars_count), True)
-        if known_edges:
-            for edge in known_edges:
-                i = self._sample_path.structure.get_node_indx(edge[0])
-                j = self._sample_path.structure.get_node_indx(edge[1])
-                complete_adj_matrix[i][j] = False
-        return complete_adj_matrix
-
-    @staticmethod
-    def build_complete_graph(node_ids: typing.List) -> nx.DiGraph:
-        """Builds a complete directed graph (no self loops) given the nodes labels in the list ``node_ids``:
-
-        :param node_ids: the list of nodes labels
-        :type node_ids: List
-        :return: a complete Digraph Object
-        :rtype: networkx.DiGraph
-        """
-        complete_graph = nx.DiGraph()
-        complete_graph.add_nodes_from(node_ids)
-        complete_graph.add_edges_from(itertools.permutations(node_ids, 2))
-        return complete_graph
-
-
-    @staticmethod
-    def generate_possible_sub_sets_of_size( u: typing.List, size: int, parent_label: str):
-        """Creates a list containing all possible subsets of the list ``u`` of size ``size``,
-        that do not contains a the node identified by ``parent_label``.
-
-        :param u: the list of nodes
-        :type u: List
-        :param size: the size of the subsets
-        :type size: int
-        :param parent_label: the node to exclude in the subsets generation
-        :type parent_label: string
-        :return: an Iterator Object containing a list of lists
-        :rtype: Iterator
-        """
-        list_without_test_parent = u[:]
-        list_without_test_parent.remove(parent_label)
-        return map(list, itertools.combinations(list_without_test_parent, size))
-
-    def save_results(self) -> None:
-        """Save the estimated Structure to a .json file in the path where the data are loaded from.
-        The file is named as the input dataset but the `results_` word is appended to the results file.
-        """
-        res = json_graph.node_link_data(self._complete_graph)
-        name = self._sample_path._importer.file_path.rsplit('/', 1)[-1]
-        name = name.split('.', 1)[0]
-        name += '_' + str(self._sample_path._importer.dataset_id())
-        name += '.json'
-        file_name = 'results_' + name
-        with open(file_name, 'w') as f:
-            json.dump(res, f)
-
-
-    def remove_diagonal_elements(self, matrix):
-        m = matrix.shape[0]
-        strided = np.lib.stride_tricks.as_strided
-        s0, s1 = matrix.strides
-        return strided(matrix.ravel()[1:], shape=(m - 1, m), strides=(s0 + s1, s1)).reshape(m, -1)
-
-
-    @abc.abstractmethod
-    def estimate_structure(self) -> typing.List:
-        """Abstract method to estimate the structure
-
-        :return: List of estimated edges
-        :rtype: Typing.List
-        """
-        pass
-
-    
-    def adjacency_matrix(self) -> np.ndarray:
-        """Converts the estimated structure ``_complete_graph`` to a boolean adjacency matrix representation.
-
-        :return: The adjacency matrix of the graph ``_complete_graph``
-        :rtype: numpy.ndArray
-        """
-        return nx.adj_matrix(self._complete_graph).toarray().astype(bool)
-
-    def spurious_edges(self) -> typing.List:
-        """Return the spurious edges present in the estimated structure, if a prior net structure is present in
-            ``_sample_path.structure``.
-
-        :return: A list containing the spurious edges
-        :rtype: List
-        """
-        if not self._sample_path.has_prior_net_structure:
-            raise RuntimeError("Can not compute spurious edges with no prior net structure!")
-        real_graph = nx.DiGraph()
-        real_graph.add_nodes_from(self._sample_path.structure.nodes_labels)
-        real_graph.add_edges_from(self._sample_path.structure.edges)
-        return nx.difference(real_graph, self._complete_graph).edges
-
-    def save_plot_estimated_structure_graph(self) -> None:
-        """Plot the estimated structure in a graphical model style.
-        Spurious edges are colored in red.
-        """
-        graph_to_draw = nx.DiGraph()
-        spurious_edges = self.spurious_edges()
-        non_spurious_edges = list(set(self._complete_graph.edges) - set(spurious_edges))
-        print(non_spurious_edges)
-        edges_colors = ['red' if edge in spurious_edges else 'black' for edge in self._complete_graph.edges]
-        graph_to_draw.add_edges_from(spurious_edges)
-        graph_to_draw.add_edges_from(non_spurious_edges)
-        pos = nx.spring_layout(graph_to_draw, k=0.5*1/np.sqrt(len(graph_to_draw.nodes())), iterations=50,scale=10)
-        options = {
-            "node_size": 2000,
-            "node_color": "white",
-            "edgecolors": "black",
-            'linewidths':2,
-            "with_labels":True,
-            "font_size":13,
-            'connectionstyle': 'arc3, rad = 0.1',
-            "arrowsize": 15,
-            "arrowstyle": '<|-',
-            "width": 1,
-            "edge_color":edges_colors,
-        }
-
-        nx.draw(graph_to_draw, pos, **options)
-        ax = plt.gca()
-        ax.margins(0.20)
-        plt.axis("off")
-        name = self._sample_path._importer.file_path.rsplit('/', 1)[-1]
-        name = name.split('.', 1)[0]
-        name += '_' + str(self._sample_path._importer.dataset_id())
-        name += '.png'
-        plt.savefig(name)
-        plt.clf()
-        print("Estimated Structure Plot Saved At: ", os.path.abspath(name))
-
-
-
-
-

PyCTBN/build/lib/classes/estimators/structure_score_based_estimator.py

@@ -1,244 +0,0 @@
-
-import itertools
-import json
-import typing
-
-import networkx as nx
-import numpy as np
-from networkx.readwrite import json_graph
-
-from random import choice
-
-import concurrent.futures
-
-import copy
-
-from ..structure_graph.conditional_intensity_matrix import ConditionalIntensityMatrix
-from ..structure_graph.network_graph import NetworkGraph
-from .parameters_estimator import ParametersEstimator
-from .structure_estimator import StructureEstimator
-from ..structure_graph.sample_path import SamplePath
-from ..structure_graph.structure import Structure
-from .fam_score_calculator import FamScoreCalculator
-from ..optimizers.hill_climbing_search import HillClimbing
-from ..optimizers.tabu_search import TabuSearch
-
-
-import multiprocessing
-from multiprocessing import Pool
-
-
-
-
-class StructureScoreBasedEstimator(StructureEstimator):
-    """
-    Has the task of estimating the network structure given the trajectories in samplepath by
-    using a score based approach.
-
-    :param sample_path: the _sample_path object containing the trajectories and the real structure
-    :type sample_path: SamplePath
-    :param tau_xu: hyperparameter over the CTBN’s q parameters, default to 0.1
-    :type tau_xu: float, optional
-    :param alpha_xu: hyperparameter over the CTBN’s q parameters, default to 1
-    :type alpha_xu: float, optional
-    :param known_edges: List of known edges, default to []
-    :type known_edges: List, optional
-
-    """
-
-    def __init__(self, sample_path: SamplePath, tau_xu:int=0.1, alpha_xu:int = 1,known_edges: typing.List= []):
-        super().__init__(sample_path,known_edges)
-        self.tau_xu=tau_xu
-        self.alpha_xu=alpha_xu
-
-
-    def estimate_structure(self, max_parents:int = None, iterations_number:int= 40,
-                         patience:int = None, tabu_length:int = None, tabu_rules_duration:int = None,
-                         optimizer: str = 'tabu',disable_multiprocessing:bool= False ):
-        """
-        Compute the score-based algorithm to find the optimal structure
-
-        :param max_parents: maximum number of parents for each variable. If None, disabled, default to None
-        :type max_parents: int, optional
-        :param iterations_number: maximum number of optimization algorithm's iteration, default to 40
-        :type iterations_number: int, optional
-        :param patience: number of iteration without any improvement before to stop the search.If None, disabled, default to None
-        :type patience: int, optional
-        :param tabu_length: maximum lenght of the data structures used in the optimization process, default to None
-        :type tabu_length: int, optional
-        :param tabu_rules_duration: number of iterations in which each rule keeps its value, default to None
-        :type tabu_rules_duration: int, optional
-        :param optimizer: name of the optimizer algorithm. Possible values: 'hill' (Hill climbing),'tabu' (tabu search), defualt to 'tabu'
-        :type optimizer: string, optional
-        :param disable_multiprocessing: true if you desire to disable the multiprocessing operations, default to False
-        :type disable_multiprocessing: Boolean, optional
-        """
-        'Save the true edges structure in tuples'
-        true_edges = copy.deepcopy(self._sample_path.structure.edges)
-        true_edges = set(map(tuple, true_edges))
-
-        'Remove all the edges from the structure'   
-        self._sample_path.structure.clean_structure_edges()
-
-        estimate_parents = self.estimate_parents
-
-        n_nodes= len(self._nodes)
-        
-        l_max_parents= [max_parents] * n_nodes
-        l_iterations_number = [iterations_number] * n_nodes
-        l_patience = [patience] * n_nodes
-        l_tabu_length = [tabu_length] * n_nodes
-        l_tabu_rules_duration = [tabu_rules_duration] * n_nodes
-        l_optimizer = [optimizer] * n_nodes
-
-
-        'get the number of CPU'
-        cpu_count = multiprocessing.cpu_count()
-        print(f"CPU COUNT: {cpu_count}")
-
-        if disable_multiprocessing:
-            cpu_count = 1
-
-        
-
-
-
-        #with get_context("spawn").Pool(processes=cpu_count) as pool:
-        #with multiprocessing.Pool(processes=cpu_count) as pool:
-
-        'Estimate the best parents for each node'
-        if disable_multiprocessing:
-            list_edges_partial = [estimate_parents(n,max_parents,iterations_number,patience,tabu_length,tabu_rules_duration,optimizer) for n in self._nodes]
-        else:
-            with concurrent.futures.ProcessPoolExecutor(max_workers=cpu_count) as executor:
-                list_edges_partial = executor.map(estimate_parents, 
-                                                            self._nodes,
-                                                            l_max_parents,
-                                                            l_iterations_number,
-                                                            l_patience,
-                                                            l_tabu_length,
-                                                            l_tabu_rules_duration,
-                                                            l_optimizer)
-
-
-
-            #list_edges_partial = p.map(estimate_parents, self._nodes)
-            #list_edges_partial= estimate_parents('Q',max_parents,iterations_number,patience,tabu_length,tabu_rules_duration,optimizer) 
-
-        'Concatenate all the edges list'
-        set_list_edges =  set(itertools.chain.from_iterable(list_edges_partial))
-
-        #print('-------------------------')
-
-
-        'calculate precision and recall'
-        n_missing_edges = 0
-        n_added_fake_edges = 0
-
-        try:
-            n_added_fake_edges = len(set_list_edges.difference(true_edges))
-
-            n_missing_edges = len(true_edges.difference(set_list_edges))
-
-            n_true_positive = len(true_edges) - n_missing_edges
-
-            precision = n_true_positive / (n_true_positive + n_added_fake_edges)
-
-            recall = n_true_positive / (n_true_positive + n_missing_edges)
-
-
-            # print(f"n archi reali non trovati: {n_missing_edges}")
-            # print(f"n archi non reali aggiunti: {n_added_fake_edges}")
-            print(true_edges)
-            print(set_list_edges)
-            print(f"precision: {precision} ")
-            print(f"recall: {recall} ")
-        except Exception as e: 
-            print(f"errore: {e}")
-
-        return set_list_edges
-    
-
-    def estimate_parents(self,node_id:str, max_parents:int = None, iterations_number:int= 40,
-                            patience:int = 10, tabu_length:int = None, tabu_rules_duration:int=5, 
-                            optimizer:str = 'hill' ):
-        """
-        Use the FamScore of a node in order to find the best parent nodes
-        
-        :param node_id: current node's id
-        :type node_id: string
-        :param max_parents: maximum number of parents for each variable. If None, disabled, default to None
-        :type max_parents: int, optional
-        :param iterations_number: maximum number of optimization algorithm's iteration, default to 40
-        :type iterations_number: int, optional
-        :param patience: number of iteration without any improvement before to stop the search.If None, disabled, default to None
-        :type patience: int, optional
-        :param tabu_length: maximum lenght of the data structures used in the optimization process, default to None
-        :type tabu_length: int, optional
-        :param tabu_rules_duration: number of iterations in which each rule keeps its value, default to None
-        :type tabu_rules_duration: int, optional
-        :param optimizer: name of the optimizer algorithm. Possible values: 'hill' (Hill climbing),'tabu' (tabu search), defualt to 'tabu'
-        :type optimizer: string, optional
-
-        :return: A list of the best edges for the currente node
-        :rtype: List
-        """
-
-        "choose the optimizer algotithm"
-        if optimizer == 'tabu':
-            optimizer = TabuSearch(
-                        node_id = node_id,
-                        structure_estimator = self,
-                        max_parents = max_parents,
-                        iterations_number = iterations_number,
-                        patience = patience,
-                        tabu_length = tabu_length,
-                        tabu_rules_duration = tabu_rules_duration)
-        else: #if optimizer == 'hill':
-            optimizer = HillClimbing(
-                                    node_id = node_id,
-                                    structure_estimator = self,
-                                    max_parents = max_parents,
-                                    iterations_number = iterations_number,
-                                    patience = patience)
-
-        "call the optmizer's function that calculates the current node's parents"
-        return optimizer.optimize_structure()
-
-    
-    def get_score_from_graph(self,
-                            graph: NetworkGraph,
-                            node_id:str):
-        """
-        Get the FamScore of a node 
-        
-        :param node_id: current node's id
-        :type node_id: string
-        :param graph: current graph to be computed
-        :type graph: class:'NetworkGraph'
-
-
-        :return: The FamSCore for this graph structure
-        :rtype: float
-        """
-
-        'inizialize the graph for a single node'
-        graph.fast_init(node_id) 
-
-        params_estimation = ParametersEstimator(self._sample_path.trajectories, graph)
-
-        'Inizialize and compute parameters for node'
-        params_estimation.fast_init(node_id)
-        SoCims = params_estimation.compute_parameters_for_node(node_id)
-
-        'calculate the FamScore for the node'
-        fam_score_obj = FamScoreCalculator()
-
-        score = fam_score_obj.get_fam_score(SoCims.actual_cims,tau_xu = self.tau_xu,alpha_xu=self.alpha_xu)
-        
-        #print(f" lo score per {node_id} risulta: {score} ")
-        return score 
-
-
-
-

PyCTBN/build/lib/classes/optimizers/__init__.py

@@ -1,4 +0,0 @@
-from .optimizer import Optimizer
-from .tabu_search import TabuSearch
-from .hill_climbing_search import HillClimbing
-from .constraint_based_optimizer import ConstraintBasedOptimizer

PyCTBN/build/lib/classes/optimizers/constraint_based_optimizer.py

@@ -1,87 +0,0 @@
-
-import itertools
-import json
-import typing
-
-import networkx as nx
-import numpy as np
-
-from random import choice
-
-from abc import ABC
-
-import copy
-
-
-from .optimizer import Optimizer
-from ..estimators.structure_estimator import StructureEstimator
-from ..structure_graph.network_graph import NetworkGraph
-
-
-class ConstraintBasedOptimizer(Optimizer):
-    """
-    Optimizer class that implement a CTPC Algorithm
-
-    :param node_id: current node's id
-    :type node_id: string
-    :param structure_estimator: a structure estimator object with the information about the net
-    :type structure_estimator: class:'StructureEstimator' 
-    :param tot_vars_count: number of variables in the dataset
-    :type tot_vars_count: int
-    """
-    def __init__(self,
-                node_id:str,
-                structure_estimator: StructureEstimator,
-                tot_vars_count:int
-                ):
-        """
-        Constructor
-        """
-        super().__init__(node_id, structure_estimator)
-        self.tot_vars_count = tot_vars_count
-        
-
-
-    def optimize_structure(self):
-        """
-        Compute Optimization process for a structure_estimator by using a CTPC Algorithm
-
-        :return: the estimated structure for the node
-        :rtype: List
-        """
-        print("##################TESTING VAR################", self.node_id)
-
-        graph = NetworkGraph(self.structure_estimator._sample_path.structure)
-
-        other_nodes =  [node for node in self.structure_estimator._sample_path.structure.nodes_labels if node != self.node_id]
-        
-        for possible_parent in other_nodes:
-            graph.add_edges([(possible_parent,self.node_id)])
-
-        
-        u = other_nodes
-        #tests_parents_numb = len(u)
-        #complete_frame = self.complete_graph_frame
-        #test_frame = complete_frame.loc[complete_frame['To'].isin([self.node_id])]
-        child_states_numb = self.structure_estimator._sample_path.structure.get_states_number(self.node_id)
-        b = 0
-        while b < len(u):
-            parent_indx = 0
-            while parent_indx < len(u):
-                removed = False
-                test_parent = u[parent_indx]
-               	i = self.structure_estimator._sample_path.structure.get_node_indx(test_parent)
-                j = self.structure_estimator._sample_path.structure.get_node_indx(self.node_id)
-                if self.structure_estimator._removable_edges_matrix[i][j]:
-                    S = StructureEstimator.generate_possible_sub_sets_of_size(u, b, test_parent)
-                    for parents_set in S:
-	                    if self.structure_estimator.complete_test(test_parent, self.node_id, parents_set, child_states_numb, self.tot_vars_count,i,j):
-	                        graph.remove_edges([(test_parent, self.node_id)])
-	                        u.remove(test_parent)
-	                        removed = True
-	                        break
-                if not removed:
-                    parent_indx += 1
-            b += 1
-        self.structure_estimator._cache.clear()
-        return graph.edges

PyCTBN/build/lib/classes/optimizers/hill_climbing_search.py

@@ -1,135 +0,0 @@
-
-import itertools
-import json
-import typing
-
-import networkx as nx
-import numpy as np
-
-from random import choice
-
-from abc import ABC
-
-
-from .optimizer import Optimizer
-from ..estimators.structure_estimator import StructureEstimator
-from ..structure_graph.network_graph import NetworkGraph
-
-
-class HillClimbing(Optimizer):
-    """
-    Optimizer class that implement Hill Climbing Search
-    
-
-    :param node_id: current node's id
-    :type node_id: string
-    :param structure_estimator: a structure estimator object with the information about the net
-    :type structure_estimator: class:'StructureEstimator' 
-    :param max_parents: maximum number of parents for each variable. If None, disabled, default to None
-    :type max_parents: int, optional
-    :param iterations_number: maximum number of optimization algorithm's iteration, default to 40
-    :type iterations_number: int, optional
-    :param patience: number of iteration without any improvement before to stop the search.If None, disabled, default to None
-    :type patience: int, optional
-
-
-    
-    """
-    def __init__(self,
-                node_id:str,
-                structure_estimator: StructureEstimator,
-                max_parents:int = None,
-                iterations_number:int= 40,
-                patience:int = None
-                ):
-        """
-        Constructor
-        """
-        super().__init__(node_id, structure_estimator)
-        self.max_parents = max_parents
-        self.iterations_number = iterations_number
-        self.patience = patience
-        
-
-
-    def optimize_structure(self) -> typing.List:
-        """
-        Compute Optimization process for a structure_estimator by using a Hill Climbing Algorithm
-
-        :return: the estimated structure for the node
-        :rtype: List
-        """
-
-        #'Create the graph for the single node'
-        graph = NetworkGraph(self.structure_estimator._sample_path.structure)
-
-        'get the index for the current node'
-        node_index = self.structure_estimator._sample_path._structure.get_node_indx(self.node_id)
-
-        'list of prior edges'
-        prior_parents = set()
-
-        'Add the edges from prior knowledge'
-        for i in range(len(self.structure_estimator._removable_edges_matrix)):
-            if not self.structure_estimator._removable_edges_matrix[i][node_index]:
-                parent_id= self.structure_estimator._sample_path._structure.get_node_id(i)
-                prior_parents.add(parent_id)
-
-                'Add the node to the starting structure'
-                graph.add_edges([(parent_id, self.node_id)])
-
-
-
-        'get all the possible parents'
-        other_nodes =  [node for node in 
-                                            self.structure_estimator._sample_path.structure.nodes_labels if
-                                                                                            node != self.node_id and
-                                                                                            not prior_parents.__contains__(node)]
-        
-        actual_best_score = self.structure_estimator.get_score_from_graph(graph,self.node_id)
-
-        patince_count = 0
-        for i in range(self.iterations_number):
-            'choose a new random edge'
-            current_new_parent = choice(other_nodes)
-            current_edge =  (current_new_parent,self.node_id)
-            added = False
-            parent_removed = None 
-            
-
-            if graph.has_edge(current_edge):
-                graph.remove_edges([current_edge])
-            else:
-                'check the max_parents constraint'
-                if self.max_parents is not None:
-                    parents_list = graph.get_parents_by_id(self.node_id)
-                    if len(parents_list) >= self.max_parents :
-                        parent_removed = (choice(parents_list), self.node_id)
-                        graph.remove_edges([parent_removed])
-                graph.add_edges([current_edge])
-                added = True
-            #print('**************************')
-            current_score =  self.structure_estimator.get_score_from_graph(graph,self.node_id)
-
-
-            if current_score > actual_best_score:
-                'update current best score' 
-                actual_best_score = current_score
-                patince_count = 0
-            else:
-                'undo the last update'
-                if added:
-                    graph.remove_edges([current_edge])
-                    'If a parent was removed, add it again to the graph'
-                    if parent_removed is not None:
-                        graph.add_edges([parent_removed])
-                else:
-                    graph.add_edges([current_edge])
-                'update patience count'
-                patince_count += 1
-
-            if self.patience is not None and patince_count > self.patience:
-                break
-
-        print(f"finito variabile: {self.node_id}")
-        return graph.edges

PyCTBN/build/lib/classes/optimizers/optimizer.py

@@ -1,39 +0,0 @@
-
-import itertools
-import json
-import typing
-
-import networkx as nx
-import numpy as np
-
-import abc 
-
-from ..estimators.structure_estimator import StructureEstimator
-
-
-
-class Optimizer(abc.ABC):
-    """
-    Interface class for all the optimizer's child PyCTBN
-
-    :param node_id: the node label
-    :type node_id: string
-    :param structure_estimator: A structureEstimator Object to predict the structure
-    :type structure_estimator: class:'StructureEstimator'
-    
-    """
-
-    def __init__(self, node_id:str, structure_estimator: StructureEstimator):
-        self.node_id = node_id
-        self.structure_estimator = structure_estimator
-        
-
-    @abc.abstractmethod
-    def optimize_structure(self) -> typing.List:
-        """
-        Compute Optimization process for a structure_estimator
-
-        :return: the estimated structure for the node
-        :rtype: List
-        """
-    pass

PyCTBN/build/lib/classes/optimizers/tabu_search.py

@@ -1,199 +0,0 @@
-
-import itertools
-import json
-import typing
-
-import networkx as nx
-import numpy as np
-
-from random import choice,sample
-
-from abc import ABC
-
-
-from .optimizer import Optimizer
-from ..estimators.structure_estimator import StructureEstimator
-from ..structure_graph.network_graph import NetworkGraph
-
-import queue
-
-
-class TabuSearch(Optimizer):
-    """
-    Optimizer class that implement Tabu Search
-
-
-    :param node_id: current node's id
-    :type node_id: string
-    :param structure_estimator: a structure estimator object with the information about the net
-    :type structure_estimator: class:'StructureEstimator' 
-    :param max_parents: maximum number of parents for each variable. If None, disabled, default to None
-    :type max_parents: int, optional
-    :param iterations_number: maximum number of optimization algorithm's iteration, default to 40
-    :type iterations_number: int, optional
-    :param patience: number of iteration without any improvement before to stop the search.If None, disabled, default to None
-    :type patience: int, optional
-    :param tabu_length: maximum lenght of the data structures used in the optimization process, default to None
-    :type tabu_length: int, optional
-    :param tabu_rules_duration: number of iterations in which each rule keeps its value, default to None
-    :type tabu_rules_duration: int, optional
-
-    
-    """
-    def __init__(self,
-                node_id:str,
-                structure_estimator: StructureEstimator,
-                max_parents:int = None,
-                iterations_number:int= 40,
-                patience:int = None,
-                tabu_length:int = None,
-                tabu_rules_duration = None
-                ):
-        """
-        Constructor
-        """
-        super().__init__(node_id, structure_estimator)
-        self.max_parents = max_parents
-        self.iterations_number = iterations_number
-        self.patience = patience
-        self.tabu_length = tabu_length
-        self.tabu_rules_duration = tabu_rules_duration
-
-
-    def optimize_structure(self) -> typing.List:
-        """
-        Compute Optimization process for a structure_estimator by using a Hill Climbing Algorithm
-
-        :return: the estimated structure for the node
-        :rtype: List
-        """
-        print(f"tabu search is processing the structure of {self.node_id}")
-
-        'Create the graph for the single node'
-        graph = NetworkGraph(self.structure_estimator._sample_path.structure)
-
-        'get the index for the current node'
-        node_index = self.structure_estimator._sample_path._structure.get_node_indx(self.node_id)
-
-        'list of prior edges'
-        prior_parents = set()
-
-        'Add the edges from prior knowledge'
-        for i in range(len(self.structure_estimator._removable_edges_matrix)):
-            if not self.structure_estimator._removable_edges_matrix[i][node_index]:
-                parent_id= self.structure_estimator._sample_path._structure.get_node_id(i)
-                prior_parents.add(parent_id)
-
-                'Add the node to the starting structure'
-                graph.add_edges([(parent_id, self.node_id)])
-
-
-
-        'get all the possible parents'
-        other_nodes =  set([node for node in 
-                                            self.structure_estimator._sample_path.structure.nodes_labels if
-                                                                                            node != self.node_id and
-                                                                                            not prior_parents.__contains__(node)])
-
-        'calculate the score for the node without parents'
-        actual_best_score = self.structure_estimator.get_score_from_graph(graph,self.node_id)
-
-
-        'initialize tabu_length and tabu_rules_duration if None'
-        if self.tabu_length is None:
-            self.tabu_length = len(other_nodes)
-
-        if self.tabu_rules_duration is None:
-            self.tabu_tabu_rules_durationength = len(other_nodes)
-
-        'inizialize the data structures'
-        tabu_set = set()
-        tabu_queue = queue.Queue()
-
-        patince_count = 0
-        tabu_count = 0 
-        for i in range(self.iterations_number):
-            
-            current_possible_nodes = other_nodes.difference(tabu_set)
-
-            'choose a new random edge according to tabu restiction'
-            if(len(current_possible_nodes) > 0):
-                current_new_parent = sample(current_possible_nodes,k=1)[0]
-            else:
-                current_new_parent = tabu_queue.get()
-                tabu_set.remove(current_new_parent)
-
-
-            
-            current_edge =  (current_new_parent,self.node_id)
-            added = False
-            parent_removed = None 
-
-            if graph.has_edge(current_edge):
-                graph.remove_edges([current_edge])
-            else:
-                'check the max_parents constraint'
-                if self.max_parents is not None:
-                    parents_list = graph.get_parents_by_id(self.node_id)
-                    if len(parents_list) >= self.max_parents :
-                        parent_removed = (choice(parents_list), self.node_id)
-                        graph.remove_edges([parent_removed])
-                graph.add_edges([current_edge])
-                added = True
-            #print('**************************')
-            current_score =  self.structure_estimator.get_score_from_graph(graph,self.node_id)
-
-
-            # print("-------------------------------------------")
-            # print(f"Current new parent: {current_new_parent}")
-            # print(f"Current score: {current_score}")
-            # print(f"Current best score: {actual_best_score}")
-            # print(f"tabu list : {str(tabu_set)} length: {len(tabu_set)}")
-            # print(f"tabu queue : {str(tabu_queue)} length: {tabu_queue.qsize()}")
-            # print(f"graph edges: {graph.edges}")
-
-            # print("-------------------------------------------")
-            # input()
-            if current_score > actual_best_score:
-                'update current best score' 
-                actual_best_score = current_score
-                patince_count = 0
-                'update tabu list'
-
-
-            else:
-                'undo the last update'
-                if added:
-                    graph.remove_edges([current_edge])
-                    'If a parent was removed, add it again to the graph'
-                    if parent_removed is not None:
-                        graph.add_edges([parent_removed])
-                else:
-                    graph.add_edges([current_edge])
-                'update patience count'
-                patince_count += 1
-                
-            
-            if tabu_queue.qsize() >= self.tabu_length:
-                    current_removed = tabu_queue.get()
-                    tabu_set.remove(current_removed)
-            'Add the node on the tabu list'
-            tabu_queue.put(current_new_parent)
-            tabu_set.add(current_new_parent)
-
-            tabu_count += 1
-
-            'Every tabu_rules_duration step remove an item from the tabu list '
-            if tabu_count % self.tabu_rules_duration == 0:
-                if tabu_queue.qsize() > 0:
-                    current_removed = tabu_queue.get()
-                    tabu_set.remove(current_removed)
-                    tabu_count = 0
-                else:
-                    tabu_count = 0
-
-            if self.patience is not None and patince_count > self.patience:
-                break
-
-        print(f"finito variabile: {self.node_id}")
-        return graph.edges

PyCTBN/build/lib/classes/structure_graph/__init__.py

@@ -1,6 +0,0 @@
-from .conditional_intensity_matrix import ConditionalIntensityMatrix
-from .network_graph import NetworkGraph
-from .sample_path import SamplePath
-from .set_of_cims import SetOfCims
-from .structure import Structure
-from .trajectory import Trajectory

PyCTBN/build/lib/classes/structure_graph/conditional_intensity_matrix.py

@@ -1,42 +0,0 @@
-import numpy as np
-
-
-class ConditionalIntensityMatrix(object):
-    """Abstracts the Conditional Intesity matrix of a node as aggregation of the state residence times vector
-    and state transition matrix and the actual CIM matrix.
-
-    :param state_residence_times: state residence times vector
-    :type state_residence_times: numpy.array
-    :param state_transition_matrix: the transitions count matrix
-    :type state_transition_matrix: numpy.ndArray
-    :_cim: the actual cim of the node
-    """
-    def __init__(self, state_residence_times: np.array, state_transition_matrix: np.array):
-        """Constructor Method
-        """
-        self._state_residence_times = state_residence_times
-        self._state_transition_matrix = state_transition_matrix
-        self._cim = self.state_transition_matrix.astype(np.float64)
-
-    def compute_cim_coefficients(self) -> None:
-        """Compute the coefficients of the matrix _cim by using the following equality q_xx' = M[x, x'] / T[x].
-        The class member ``_cim`` will contain the computed cim
-        """
-        np.fill_diagonal(self._cim, self._cim.diagonal() * -1)
-        self._cim = ((self._cim.T + 1) / (self._state_residence_times + 1)).T
-
-    @property
-    def state_residence_times(self) -> np.ndarray:
-        return self._state_residence_times
-
-    @property
-    def state_transition_matrix(self) -> np.ndarray:
-        return self._state_transition_matrix
-
-    @property
-    def cim(self) -> np.ndarray:
-        return self._cim
-
-    def __repr__(self):
-        return 'CIM:\n' + str(self.cim)
-

PyCTBN/build/lib/classes/structure_graph/network_graph.py

@@ -1,293 +0,0 @@
-
-import typing
-
-import networkx as nx
-import numpy as np
-
-from .structure import Structure
-
-
-class NetworkGraph(object):
-    """Abstracts the infos contained in the Structure class in the form of a directed graph.
-    Has the task of creating all the necessary filtering and indexing structures for parameters estimation
-
-    :param graph_struct: the ``Structure`` object from which infos about the net will be extracted
-    :type graph_struct: Structure
-    :_graph: directed graph
-    :_aggregated_info_about_nodes_parents: a structure that contains all the necessary infos
-        about every parents of the node of which all the indexing and filtering structures will be constructed.
-    :_time_scalar_indexing_structure: the indexing structure for state res time estimation
-    :_transition_scalar_indexing_structure: the indexing structure for transition computation
-    :_time_filtering: the columns filtering structure used in the computation of the state res times
-    :_transition_filtering: the columns filtering structure used in the computation of the transition
-        from one state to another
-    :_p_combs_structure: all the possible parents states combination for the node of interest
-    """
-
-    def __init__(self, graph_struct: Structure):
-        """Constructor Method
-        """
-        self._graph_struct = graph_struct
-        self._graph = nx.DiGraph()
-        self._aggregated_info_about_nodes_parents = None
-        self._time_scalar_indexing_structure = None
-        self._transition_scalar_indexing_structure = None
-        self._time_filtering = None
-        self._transition_filtering = None
-        self._p_combs_structure = None
-
-    def init_graph(self):
-        self.add_nodes(self._nodes_labels)
-        self.add_edges(self.graph_struct.edges)
-        self.aggregated_info_about_nodes_parents = self.get_ord_set_of_par_of_all_nodes()
-        self._fancy_indexing = self.build_fancy_indexing_structure(0)
-        self.build_scalar_indexing_structures()
-        self.build_time_columns_filtering_structure()
-        self.build_transition_columns_filtering_structure()
-        self._p_combs_structure = self.build_p_combs_structure()
-
-    def fast_init(self, node_id: str) -> None:
-        """Initializes all the necessary structures for parameters estimation of the node identified by the label
-        node_id
-
-        :param node_id: the label of the node
-        :type node_id: string
-        """
-        self.add_nodes(self._graph_struct.nodes_labels)
-        self.add_edges(self._graph_struct.edges)
-        self._aggregated_info_about_nodes_parents = self.get_ordered_by_indx_set_of_parents(node_id)
-        p_indxs = self._aggregated_info_about_nodes_parents[1]
-        p_vals = self._aggregated_info_about_nodes_parents[2]
-        node_states = self.get_states_number(node_id)
-        node_indx = self.get_node_indx(node_id)
-        cols_number = self._graph_struct.total_variables_number
-        self._time_scalar_indexing_structure = NetworkGraph.\
-            build_time_scalar_indexing_structure_for_a_node(node_states, p_vals)
-        self._transition_scalar_indexing_structure = NetworkGraph.\
-            build_transition_scalar_indexing_structure_for_a_node(node_states, p_vals)
-        self._time_filtering = NetworkGraph.build_time_columns_filtering_for_a_node(node_indx, p_indxs)
-        self._transition_filtering = NetworkGraph.build_transition_filtering_for_a_node(node_indx, p_indxs, cols_number)
-        self._p_combs_structure = NetworkGraph.build_p_comb_structure_for_a_node(p_vals)
-
-    def add_nodes(self, list_of_nodes: typing.List) -> None:
-        """Adds the nodes to the ``_graph`` contained in the list of nodes ``list_of_nodes``.
-        Sets all the properties that identify a nodes (index, positional index, cardinality)
-
-        :param list_of_nodes: the nodes to add to ``_graph``
-        :type list_of_nodes: List
-        """
-        nodes_indxs = self._graph_struct.nodes_indexes
-        nodes_vals = self._graph_struct.nodes_values
-        pos = 0
-        for id, node_indx, node_val in zip(list_of_nodes, nodes_indxs, nodes_vals):
-            self._graph.add_node(id, indx=node_indx, val=node_val, pos_indx=pos)
-            pos += 1
-
-    def has_edge(self,edge:tuple)-> bool:
-        """
-        Check if the graph contains a specific edge
-
-        Parameters:
-            edge: a tuple that rappresents the edge
-        Returns:
-            bool
-        """
-        return self._graph.has_edge(edge[0],edge[1])
-
-    def add_edges(self, list_of_edges: typing.List) -> None:
-        """Add the edges to the ``_graph`` contained in the list ``list_of_edges``.
-
-        :param list_of_edges: the list containing of tuples containing the edges
-        :type list_of_edges: List
-        """
-        self._graph.add_edges_from(list_of_edges)
-
-    def remove_node(self, node_id: str) -> None:
-        """Remove the node ``node_id`` from all the class members.
-        Initialize all the filtering/indexing structures.
-        """
-        self._graph.remove_node(node_id)
-        self._graph_struct.remove_node(node_id)
-        self.clear_indexing_filtering_structures()
-
-    def clear_indexing_filtering_structures(self) -> None:
-        """Initialize all the filtering/indexing structures.
-        """
-        self._aggregated_info_about_nodes_parents = None
-        self._time_scalar_indexing_structure = None
-        self._transition_scalar_indexing_structure = None
-        self._time_filtering = None
-        self._transition_filtering = None
-        self._p_combs_structure = None
-
-    def get_ordered_by_indx_set_of_parents(self, node: str) -> typing.Tuple:
-        """Builds the aggregated structure that holds all the infos relative to the parent set of the node, namely
-        (parents_labels, parents_indexes, parents_cardinalities).
-
-        :param node: the label of the node
-        :type node: string
-        :return: a tuple containing all the parent set infos
-        :rtype: Tuple
-        """
-        parents = self.get_parents_by_id(node)
-        nodes = self._graph_struct.nodes_labels
-        d = {v: i for i, v in enumerate(nodes)}
-        sorted_parents = sorted(parents, key=lambda v: d[v])
-        get_node_indx = self.get_node_indx
-        p_indxes = [get_node_indx(node) for node in sorted_parents]
-        p_values = [self.get_states_number(node) for node in sorted_parents]
-        return sorted_parents, p_indxes, p_values
-
-    def remove_edges(self, list_of_edges: typing.List) -> None:
-        """Remove the edges to the graph contained in the list list_of_edges.
-        
-        :param list_of_edges: The edges to remove from the graph
-        :type list_of_edges: List
-        """
-        self._graph.remove_edges_from(list_of_edges)
-
-    @staticmethod
-    def build_time_scalar_indexing_structure_for_a_node(node_states: int,
-                                                        parents_vals: typing.List) -> np.ndarray:
-        """Builds an indexing structure for the computation of state residence times values.
-
-        :param node_states: the node cardinality
-        :type node_states: int
-        :param parents_vals: the caridinalites of the node's parents
-        :type parents_vals: List
-        :return: The time indexing structure
-        :rtype: numpy.ndArray
-        """
-        T_vector = np.array([node_states])
-        T_vector = np.append(T_vector, parents_vals)
-        T_vector = T_vector.cumprod().astype(np.int)
-        return T_vector
-
-    @staticmethod
-    def build_transition_scalar_indexing_structure_for_a_node(node_states_number: int, parents_vals: typing.List) \
-            -> np.ndarray:
-        """Builds an indexing structure for the computation of state transitions values.
-
-        :param node_states_number: the node cardinality
-        :type node_states_number: int
-        :param parents_vals: the caridinalites of the node's parents
-        :type parents_vals: List
-        :return: The transition indexing structure
-        :rtype: numpy.ndArray
-        """
-        M_vector = np.array([node_states_number,
-                             node_states_number])
-        M_vector = np.append(M_vector, parents_vals)
-        M_vector = M_vector.cumprod().astype(np.int)
-        return M_vector
-
-    @staticmethod
-    def build_time_columns_filtering_for_a_node(node_indx: int, p_indxs: typing.List) -> np.ndarray:
-        """
-        Builds the necessary structure to filter the desired columns indicated by ``node_indx`` and ``p_indxs``
-        in the dataset.
-        This structute will be used in the computation of the state res times.
-        :param node_indx: the index of the node
-        :type node_indx: int
-        :param p_indxs: the indexes of the node's parents
-        :type p_indxs: List
-        :return: The filtering structure for times estimation
-        :rtype: numpy.ndArray
-        """
-        return np.append(np.array([node_indx], dtype=np.int), p_indxs).astype(np.int)
-
-    @staticmethod
-    def build_transition_filtering_for_a_node(node_indx: int, p_indxs: typing.List, nodes_number: int) \
-            -> np.ndarray:
-        """Builds the necessary structure to filter the desired columns indicated by ``node_indx`` and ``p_indxs``
-        in the dataset.
-        This structure will be used in the computation of the state transitions values.
-        :param node_indx: the index of the node
-        :type node_indx: int
-        :param p_indxs: the indexes of the node's parents
-        :type p_indxs: List
-        :param nodes_number: the total number of nodes in the dataset
-        :type nodes_number: int
-        :return: The filtering structure for transitions estimation
-        :rtype: numpy.ndArray
-        """
-        return np.array([node_indx + nodes_number, node_indx, *p_indxs], dtype=np.int)
-
-    @staticmethod
-    def build_p_comb_structure_for_a_node(parents_values: typing.List) -> np.ndarray:
-        """
-        Builds the combinatorial structure that contains the combinations of all the values contained in
-        ``parents_values``.
-
-        :param parents_values: the cardinalities of the nodes
-        :type parents_values: List
-        :return: A numpy matrix containing a grid of the combinations
-        :rtype: numpy.ndArray
-        """
-        tmp = []
-        for val in parents_values:
-            tmp.append([x for x in range(val)])
-        if len(parents_values) > 0:
-            parents_comb = np.array(np.meshgrid(*tmp)).T.reshape(-1, len(parents_values))
-            if len(parents_values) > 1:
-                tmp_comb = parents_comb[:, 1].copy()
-                parents_comb[:, 1] = parents_comb[:, 0].copy()
-                parents_comb[:, 0] = tmp_comb
-        else:
-            parents_comb = np.array([[]], dtype=np.int)
-        return parents_comb
-
-    def get_parents_by_id(self, node_id) -> typing.List:
-        """Returns a list of labels of the parents of the node ``node_id``
-
-        :param node_id: the node label
-        :type node_id: string
-        :return: a List of labels of the parents
-        :rtype: List
-        """
-        return list(self._graph.predecessors(node_id))
-
-    def get_states_number(self, node_id) -> int:
-        return self._graph.nodes[node_id]['val']
-
-    def get_node_indx(self, node_id) -> int:
-        return nx.get_node_attributes(self._graph, 'indx')[node_id]
-
-    def get_positional_node_indx(self, node_id) -> int:
-        return self._graph.nodes[node_id]['pos_indx']
-
-    @property
-    def nodes(self) -> typing.List:
-        return self._graph_struct.nodes_labels
-
-    @property
-    def edges(self) -> typing.List:
-        return list(self._graph.edges)
-
-    @property
-    def nodes_indexes(self) -> np.ndarray:
-        return self._graph_struct.nodes_indexes
-
-    @property
-    def nodes_values(self) -> np.ndarray:
-        return self._graph_struct.nodes_values
-
-    @property
-    def time_scalar_indexing_strucure(self) -> np.ndarray:
-        return self._time_scalar_indexing_structure
-
-    @property
-    def time_filtering(self) -> np.ndarray:
-        return self._time_filtering
-
-    @property
-    def transition_scalar_indexing_structure(self) -> np.ndarray:
-        return self._transition_scalar_indexing_structure
-
-    @property
-    def transition_filtering(self) -> np.ndarray:
-        return self._transition_filtering
-
-    @property
-    def p_combs(self) -> np.ndarray:
-        return self._p_combs_structure

PyCTBN/build/lib/classes/structure_graph/sample_path.py

@@ -1,91 +0,0 @@
-
-
-import numpy as np
-import pandas as pd
-
-from .structure import Structure
-from .trajectory import Trajectory
-from ..utility.abstract_importer import AbstractImporter
-
-
-
-class SamplePath(object):
-    """Aggregates all the informations about the trajectories, the real structure of the sampled net and variables
-    cardinalites. Has the task of creating the objects ``Trajectory`` and ``Structure`` that will
-    contain the mentioned data.
-
-    :param importer: the Importer object which contains the imported and processed data
-    :type importer: AbstractImporter
-    :_trajectories: the ``Trajectory`` object that will contain all the concatenated trajectories
-    :_structure: the ``Structure`` Object that will contain all the structural infos about the net
-    :_total_variables_count: the number of variables in the net
-    """
-    def __init__(self, importer: AbstractImporter):
-        """Constructor Method
-        """
-        self._importer = importer
-        if self._importer._df_variables is None or self._importer._concatenated_samples is None:
-            raise RuntimeError('The importer object has to contain the all processed data!')
-        if self._importer._df_variables.empty:
-            raise RuntimeError('The importer object has to contain the all processed data!')
-        if isinstance(self._importer._concatenated_samples, pd.DataFrame):
-            if self._importer._concatenated_samples.empty:
-                raise RuntimeError('The importer object has to contain the all processed data!')
-        if isinstance(self._importer._concatenated_samples, np.ndarray):
-            if self._importer._concatenated_samples.size == 0:
-                raise RuntimeError('The importer object has to contain the all processed data!')
-        self._trajectories = None
-        self._structure = None
-        self._total_variables_count = None
-
-    def build_trajectories(self) -> None:
-        """Builds the Trajectory object that will contain all the trajectories.
-        Clears all the unused dataframes in ``_importer`` Object
-        """
-        self._trajectories = \
-            Trajectory(self._importer.build_list_of_samples_array(self._importer.concatenated_samples),
-                len(self._importer.sorter) + 1)
-        self._importer.clear_concatenated_frame()
-
-    def build_structure(self) -> None:
-        """
-        Builds the ``Structure`` object that aggregates all the infos about the net.
-        """
-        if self._importer.sorter != self._importer.variables.iloc[:, 0].to_list():
-            raise RuntimeError("The Dataset columns order have to match the order of labels in the variables Frame!")
-
-        self._total_variables_count = len(self._importer.sorter)
-        labels = self._importer.variables.iloc[:, 0].to_list()
-        indxs = self._importer.variables.index.to_numpy()
-        vals = self._importer.variables.iloc[:, 1].to_numpy()
-        if self._importer.structure is None or self._importer.structure.empty:
-            edges = []
-        else:
-            edges = list(self._importer.structure.to_records(index=False))
-        self._structure = Structure(labels, indxs, vals, edges,
-                                       self._total_variables_count)
-
-    def clear_memory(self):
-        self._importer._raw_data = [] 
-
-    @property
-    def trajectories(self) -> Trajectory:
-        return self._trajectories
-
-    @property
-    def structure(self) -> Structure:
-        return self._structure
-
-    @property
-    def total_variables_count(self) -> int:
-        return self._total_variables_count
-
-    @property
-    def has_prior_net_structure(self) -> bool:
-        return bool(self._structure.edges)
-
-
-
-
-
-

PyCTBN/build/lib/classes/structure_graph/set_of_cims.py

@@ -1,97 +0,0 @@
-
-
-import typing
-
-import numpy as np
-
-from .conditional_intensity_matrix import ConditionalIntensityMatrix
-
-
-class SetOfCims(object):
-    """Aggregates all the CIMS of the node identified by the label _node_id.
-
-    :param node_id: the node label
-    :type node_ind: string
-    :param parents_states_number: the cardinalities of the parents
-    :type parents_states_number: List
-    :param node_states_number: the caridinality of the node
-    :type node_states_number: int
-    :param p_combs: the p_comb structure bound to this node
-    :type p_combs: numpy.ndArray
-    :_state_residence_time: matrix containing all the state residence time vectors for the node
-    :_transition_matrices: matrix containing all the transition matrices for the node
-    :_actual_cims: the cims of the node
-    """
-
-    def __init__(self, node_id: str, parents_states_number: typing.List, node_states_number: int, p_combs: np.ndarray):
-        """Constructor Method
-        """
-        self._node_id = node_id
-        self._parents_states_number = parents_states_number
-        self._node_states_number = node_states_number
-        self._actual_cims = []
-        self._state_residence_times = None
-        self._transition_matrices = None
-        self._p_combs = p_combs
-        self.build_times_and_transitions_structures()
-
-    def build_times_and_transitions_structures(self) -> None:
-        """Initializes at the correct dimensions the state residence times matrix and the state transition matrices.
-        """
-        if not self._parents_states_number:
-            self._state_residence_times = np.zeros((1, self._node_states_number), dtype=np.float)
-            self._transition_matrices = np.zeros((1, self._node_states_number, self._node_states_number), dtype=np.int)
-        else:
-            self._state_residence_times = \
-                np.zeros((np.prod(self._parents_states_number), self._node_states_number), dtype=np.float)
-            self._transition_matrices = np.zeros([np.prod(self._parents_states_number), self._node_states_number,
-                                                  self._node_states_number], dtype=np.int)
-
-    def build_cims(self, state_res_times: np.ndarray, transition_matrices: np.ndarray) -> None:
-        """Build the ``ConditionalIntensityMatrix`` objects given the state residence times and transitions matrices.
-        Compute the cim coefficients.The class member ``_actual_cims`` will contain the computed cims.
-
-        :param state_res_times: the state residence times matrix
-        :type state_res_times: numpy.ndArray
-        :param transition_matrices: the transition matrices
-        :type transition_matrices: numpy.ndArray
-        """
-        for state_res_time_vector, transition_matrix in zip(state_res_times, transition_matrices):
-            cim_to_add = ConditionalIntensityMatrix(state_res_time_vector, transition_matrix)
-            cim_to_add.compute_cim_coefficients()
-            self._actual_cims.append(cim_to_add)
-        self._actual_cims = np.array(self._actual_cims)
-        self._transition_matrices = None
-        self._state_residence_times = None
-
-    def filter_cims_with_mask(self, mask_arr: np.ndarray, comb: typing.List) -> np.ndarray:
-        """Filter the cims contained in the array ``_actual_cims`` given the boolean mask ``mask_arr`` and the index
-        ``comb``.
-
-        :param mask_arr: the boolean mask that indicates which parent to consider
-        :type mask_arr: numpy.array
-        :param comb: the state/s of the filtered parents
-        :type comb: numpy.array
-        :return: Array of ``ConditionalIntensityMatrix`` objects
-        :rtype: numpy.array
-        """
-        if mask_arr.size <= 1:
-            return self._actual_cims
-        else:
-            flat_indxs = np.argwhere(np.all(self._p_combs[:, mask_arr] == comb, axis=1)).ravel()
-            return self._actual_cims[flat_indxs]
-
-    @property
-    def actual_cims(self) -> np.ndarray:
-        return self._actual_cims
-
-    @property
-    def p_combs(self) -> np.ndarray:
-        return self._p_combs
-
-    def get_cims_number(self):
-        return len(self._actual_cims)
-
-
-
-

PyCTBN/build/lib/classes/structure_graph/structure.py

@@ -1,124 +0,0 @@
-
-import typing as ty
-
-import numpy as np
-
-
-class Structure(object):
-    """Contains all the infos about the network structure(nodes labels, nodes caridinalites, edges, indexes)
-
-    :param nodes_labels_list: the symbolic names of the variables
-    :type nodes_labels_list: List
-    :param nodes_indexes_arr: the indexes of the nodes
-    :type nodes_indexes_arr: numpy.ndArray
-    :param nodes_vals_arr: the cardinalites of the nodes
-    :type nodes_vals_arr: numpy.ndArray
-    :param edges_list: the edges of the network
-    :type edges_list: List
-    :param total_variables_number: the total number of variables in the dataset
-    :type total_variables_number: int
-    """
-
-    def __init__(self, nodes_labels_list: ty.List, nodes_indexes_arr: np.ndarray, nodes_vals_arr: np.ndarray,
-                 edges_list: ty.List, total_variables_number: int):
-        """Constructor Method
-        """
-        self._nodes_labels_list = nodes_labels_list
-        self._nodes_indexes_arr = nodes_indexes_arr
-        self._nodes_vals_arr = nodes_vals_arr
-        self._edges_list = edges_list
-        self._total_variables_number = total_variables_number
-
-    def remove_node(self, node_id: str) -> None:
-        """Remove the node ``node_id`` from all the class members.
-        The class member ``_total_variables_number`` since it refers to the total number of variables in the dataset.
-        """
-        node_positional_indx = self._nodes_labels_list.index(node_id)
-        del self._nodes_labels_list[node_positional_indx]
-        self._nodes_indexes_arr = np.delete(self._nodes_indexes_arr, node_positional_indx)
-        self._nodes_vals_arr = np.delete(self._nodes_vals_arr, node_positional_indx)
-        self._edges_list = [(from_node, to_node) for (from_node, to_node) in self._edges_list if (from_node != node_id
-                                                                                        and to_node != node_id)]
-
-    @property
-    def edges(self) -> ty.List:
-        return self._edges_list
-
-    @property
-    def nodes_labels(self) -> ty.List:
-        return self._nodes_labels_list
-
-    @property
-    def nodes_indexes(self) -> np.ndarray:
-        return self._nodes_indexes_arr
-
-    @property
-    def nodes_values(self) -> np.ndarray:
-        return self._nodes_vals_arr
-
-    @property
-    def total_variables_number(self) -> int:
-        return self._total_variables_number
-
-    def get_node_id(self, node_indx: int) -> str:
-        """Given the ``node_index`` returns the node label.
-
-        :param node_indx: the node index
-        :type node_indx: int
-        :return: the node label
-        :rtype: string
-        """
-        return self._nodes_labels_list[node_indx]
-
-    def clean_structure_edges(self):
-        self._edges_list = list()
-
-    def add_edge(self,edge: tuple):
-        self._edges_list.append(tuple)
-        print(self._edges_list)
-    
-    def remove_edge(self,edge: tuple):
-        self._edges_list.remove(tuple)
-
-    def contains_edge(self,edge:tuple) -> bool:
-        return edge in self._edges_list
-
-    def get_node_indx(self, node_id: str) -> int:
-        """Given the ``node_index`` returns the node label.
-
-        :param node_id: the node label
-        :type node_id: string
-        :return: the node index
-        :rtype: int
-        """
-        pos_indx = self._nodes_labels_list.index(node_id)
-        return self._nodes_indexes_arr[pos_indx]
-
-    def get_positional_node_indx(self, node_id: str) -> int:
-        return self._nodes_labels_list.index(node_id)
-
-    def get_states_number(self, node: str) -> int:
-        """Given the node label ``node`` returns the cardinality of the node.
-
-        :param node: the node label
-        :type node: string
-        :return: the node cardinality
-        :rtype: int
-        """
-        pos_indx = self._nodes_labels_list.index(node)
-        return self._nodes_vals_arr[pos_indx]
-
-    def __repr__(self):
-        return "Variables:\n" + str(self._nodes_labels_list) +"\nValues:\n"+ str(self._nodes_vals_arr) +\
-               "\nEdges: \n" + str(self._edges_list)
-
-    def __eq__(self, other):
-        """Overrides the default implementation"""
-        if isinstance(other, Structure):
-            return set(self._nodes_labels_list) == set(other._nodes_labels_list) and \
-                   np.array_equal(self._nodes_vals_arr, other._nodes_vals_arr) and \
-                   np.array_equal(self._nodes_indexes_arr, other._nodes_indexes_arr) and \
-                   self._edges_list == other._edges_list
-
-        return False
-

PyCTBN/build/lib/classes/structure_graph/trajectory.py

@@ -1,45 +0,0 @@
-
-import typing
-
-import numpy as np
-
-
-class Trajectory(object):
-    """ Abstracts the infos about a complete set of trajectories, represented as a numpy array of doubles
-    (the time deltas) and a numpy matrix of ints (the changes of states).
-
-    :param list_of_columns: the list containing the times array and values matrix
-    :type list_of_columns: List
-    :param original_cols_number: total number of cols in the data
-    :type original_cols_number: int
-    :_actual_trajectory: the trajectory containing also the duplicated/shifted values
-    :_times: the array containing the time deltas
-    """
-
-    def __init__(self, list_of_columns: typing.List, original_cols_number: int):
-        """Constructor Method
-        """
-        self._times = list_of_columns[0]
-        self._actual_trajectory = list_of_columns[1]
-        self._original_cols_number = original_cols_number
-
-    @property
-    def trajectory(self) -> np.ndarray:
-        return self._actual_trajectory[:, :self._original_cols_number - 1]
-
-    @property
-    def complete_trajectory(self) -> np.ndarray:
-        return self._actual_trajectory
-
-    @property
-    def times(self):
-        return self._times
-
-    def size(self):
-        return self._actual_trajectory.shape[0]
-
-    def __repr__(self):
-        return "Complete Trajectory Rows: " + str(self.size()) + "\n" + self.complete_trajectory.__repr__() + \
-               "\nTimes Rows:" + str(self.times.size) + "\n" + self.times.__repr__()
-
-

PyCTBN/build/lib/classes/utility/__init__.py

@@ -1,4 +0,0 @@
-from .abstract_importer import AbstractImporter
-from .cache import Cache
-from .json_importer import JsonImporter
-from .sample_importer import SampleImporter

PyCTBN/build/lib/classes/utility/abstract_importer.py

@@ -1,164 +0,0 @@
-
-import typing
-from abc import ABC, abstractmethod
-
-import numpy as np
-import pandas as pd
-
-import copy
-
-#from sklearn.utils import resample
-
-
-class AbstractImporter(ABC):
-    """Abstract class that exposes all the necessary methods to process the trajectories and the net structure.
-
-    :param file_path: the file path, or dataset name if you import already processed data
-    :type file_path: str
-    :param trajectory_list: Dataframe or numpy array containing the concatenation of all the processed trajectories
-    :type trajectory_list: typing.Union[pandas.DataFrame, numpy.ndarray]
-    :param variables: Dataframe containing the nodes labels and cardinalities
-    :type variables: pandas.DataFrame
-    :prior_net_structure: Dataframe containing the structure of the network (edges)
-    :type prior_net_structure: pandas.DataFrame
-    :_sorter: A list containing the variables labels in the SAME order as the columns in ``concatenated_samples``
-
-    .. warning::
-        The parameters ``variables`` and ``prior_net_structure`` HAVE to be properly constructed
-        as Pandas Dataframes with the following structure:
-        Header of _df_structure = [From_Node | To_Node]
-        Header of _df_variables = [Variable_Label | Variable_Cardinality]
-        See the tutorial on how to construct a correct ``concatenated_samples`` Dataframe/ndarray.
-
-    .. note::
-        See :class:``JsonImporter`` for an example implementation
-
-    """
-
-    def __init__(self, file_path: str = None, trajectory_list: typing.Union[pd.DataFrame, np.ndarray] = None,
-                 variables: pd.DataFrame = None, prior_net_structure: pd.DataFrame = None):
-        """Constructor
-        """
-        self._file_path = file_path
-        self._df_samples_list = trajectory_list
-        self._concatenated_samples = []
-        self._df_variables = variables
-        self._df_structure = prior_net_structure
-        self._sorter = None
-        super().__init__()
-
-    @abstractmethod
-    def build_sorter(self, trajecory_header: object) -> typing.List:
-        """Initializes the ``_sorter`` class member from a trajectory dataframe, exctracting the header of the frame
-        and keeping ONLY the variables symbolic labels, cutting out the time label in the header.
-
-        :param trajecory_header: an object that will be used to define the header
-        :type trajecory_header: object
-        :return: A list containing the processed header.
-        :rtype: List
-        """
-        pass
-
-    def compute_row_delta_sigle_samples_frame(self, sample_frame: pd.DataFrame,
-                                              columns_header: typing.List, shifted_cols_header: typing.List) \
-            -> pd.DataFrame:
-        """Computes the difference between each value present in th time column.
-        Copies and shift by one position up all the values present in the remaining columns.
-
-        :param sample_frame: the traj to be processed
-        :type sample_frame: pandas.Dataframe
-        :param columns_header: the original header of sample_frame
-        :type columns_header: List
-        :param shifted_cols_header: a copy of columns_header with changed names of the contents
-        :type shifted_cols_header: List
-        :return: The processed dataframe
-        :rtype: pandas.Dataframe
-
-        .. warning::
-            the Dataframe ``sample_frame`` has to follow the column structure of this header:
-            Header of sample_frame = [Time | Variable values]
-        """
-        sample_frame = copy.deepcopy(sample_frame)
-        sample_frame.iloc[:, 0] = sample_frame.iloc[:, 0].diff().shift(-1)
-        shifted_cols = sample_frame[columns_header].shift(-1).fillna(0).astype('int32')
-        shifted_cols.columns = shifted_cols_header
-        sample_frame = sample_frame.assign(**shifted_cols)
-        sample_frame.drop(sample_frame.tail(1).index, inplace=True)
-        return sample_frame
-
-    def compute_row_delta_in_all_samples_frames(self, df_samples_list: typing.List) -> None:
-        """Calls the method ``compute_row_delta_sigle_samples_frame`` on every dataframe present in the list
-        ``df_samples_list``.
-        Concatenates the result in the dataframe ``concatanated_samples``
-
-        :param df_samples_list: the datframe's list to be processed and concatenated
-        :type df_samples_list: List
-
-        .. warning::
-            The Dataframe sample_frame has to follow the column structure of this header:
-            Header of sample_frame = [Time | Variable values]
-            The class member self._sorter HAS to be properly INITIALIZED (See class members definition doc)
-        .. note::
-            After the call of this method the class member ``concatanated_samples`` will contain all processed
-            and merged trajectories
-        """
-        if not self._sorter:
-            raise RuntimeError("The class member self._sorter has to be INITIALIZED!")
-        shifted_cols_header = [s + "S" for s in self._sorter]
-        compute_row_delta = self.compute_row_delta_sigle_samples_frame
-        proc_samples_list = [compute_row_delta(sample, self._sorter, shifted_cols_header)
-                                for sample in df_samples_list]
-        self._concatenated_samples = pd.concat(proc_samples_list)
-
-        complete_header = self._sorter[:]
-        complete_header.insert(0,'Time')
-        complete_header.extend(shifted_cols_header)
-        self._concatenated_samples = self._concatenated_samples[complete_header]
-
-    def build_list_of_samples_array(self, concatenated_sample: pd.DataFrame) -> typing.List:
-        """Builds a List containing the the delta times numpy array, and the complete transitions matrix
-
-        :param concatenated_sample: the dataframe/array from which the time, and transitions matrix have to be extracted
-            and converted
-        :type concatenated_sample: pandas.Dataframe
-        :return: the resulting list of numpy arrays
-        :rtype: List
-        """
-        
-        concatenated_array = concatenated_sample.to_numpy()
-        columns_list = [concatenated_array[:, 0], concatenated_array[:, 1:].astype(int)]
-
-        return columns_list
-
-    def clear_concatenated_frame(self) -> None:
-        """Removes all values in the dataframe concatenated_samples.
-         """
-        if isinstance(self._concatenated_samples, pd.DataFrame):
-            self._concatenated_samples = self._concatenated_samples.iloc[0:0]
-
-    @abstractmethod
-    def dataset_id(self) -> object:
-        """If the original dataset contains multiple dataset, this method returns a unique id to identify the current
-        dataset
-        """
-        pass
-
-    @property
-    def concatenated_samples(self) -> pd.DataFrame:
-        return self._concatenated_samples
-
-    @property
-    def variables(self) -> pd.DataFrame:
-        return self._df_variables
-
-    @property
-    def structure(self) -> pd.DataFrame:
-        return self._df_structure
-
-    @property
-    def sorter(self) -> typing.List:
-        return self._sorter
-
-    @property
-    def file_path(self) -> str:
-        return self._file_path

PyCTBN/build/lib/classes/utility/cache.py

@@ -1,58 +0,0 @@
-
-import typing
-
-from ..structure_graph.set_of_cims import SetOfCims 
-
-
-class Cache:
-    """This class acts as a cache of ``SetOfCims`` objects for a node.
-
-    :__list_of_sets_of_parents: a list of ``Sets`` objects of the parents to which the cim in cache at SAME
-        index is related
-    :__actual_cache: a list of setOfCims objects
-    """
-
-    def __init__(self):
-        """Constructor Method
-        """
-        self._list_of_sets_of_parents = []
-        self._actual_cache = []
-
-    def find(self, parents_comb: typing.Set): #typing.Union[typing.Set, str]
-        """
-        Tries to find in cache given the symbolic parents combination ``parents_comb`` the ``SetOfCims``
-        related to that ``parents_comb``.
-
-        :param parents_comb: the parents related to that ``SetOfCims``
-        :type parents_comb: Set
-        :return: A ``SetOfCims`` object if the ``parents_comb`` index is found in ``__list_of_sets_of_parents``.
-            None otherwise.
-        :rtype: SetOfCims
-        """
-        try:
-            #print("Cache State:", self.list_of_sets_of_indxs)
-            #print("Look For:", parents_comb)
-            result = self._actual_cache[self._list_of_sets_of_parents.index(parents_comb)]
-            #print("CACHE HIT!!!!", parents_comb)
-            return result
-        except ValueError:
-            return None
-
-    def put(self, parents_comb: typing.Set, socim: SetOfCims):
-        """Place in cache the ``SetOfCims`` object, and the related symbolic index ``parents_comb`` in
-        ``__list_of_sets_of_parents``.
-
-        :param parents_comb: the symbolic set index
-        :type parents_comb: Set
-        :param socim: the related SetOfCims object
-        :type socim: SetOfCims
-        """
-        #print("Putting in cache:", parents_comb)
-        self._list_of_sets_of_parents.append(parents_comb)
-        self._actual_cache.append(socim)
-
-    def clear(self):
-        """Clear the contents both of ``__actual_cache`` and ``__list_of_sets_of_parents``.
-        """
-        del self._list_of_sets_of_parents[:]
-        del self._actual_cache[:]

PyCTBN/build/lib/classes/utility/json_importer.py

@@ -1,176 +0,0 @@
-import json
-import typing
-
-import pandas as pd
-
-
-from .abstract_importer import AbstractImporter
-
-
-class JsonImporter(AbstractImporter):
-    """Implements the abstracts methods of AbstractImporter and adds all the necessary methods to process and prepare
-    the data in json extension.
-
-    :param file_path: the path of the file that contains tha data to be imported
-    :type file_path: string
-    :param samples_label: the reference key for the samples in the trajectories
-    :type samples_label: string
-    :param structure_label: the reference key for the structure of the network data
-    :type structure_label: string
-    :param variables_label: the reference key for the cardinalites of the nodes data
-    :type variables_label: string
-    :param time_key: the key used to identify the timestamps in each trajectory
-    :type time_key: string
-    :param variables_key: the key used to identify the names of the variables in the net
-    :type variables_key: string
-    :_array_indx: the index of the outer JsonArray to extract the data from
-    :type _array_indx: int
-    :_df_samples_list: a Dataframe list in which every dataframe contains a trajectory
-    :_raw_data: The raw contents of the json file to import
-    :type _raw_data: List
-    """
-
-    def __init__(self, file_path: str, samples_label: str, structure_label: str, variables_label: str, time_key: str,
-                 variables_key: str):
-        """Constructor method
-
-        .. note::
-            This constructor calls also the method ``read_json_file()``, so after the construction of the object
-            the class member ``_raw_data`` will contain the raw imported json data.
-
-        """
-        self._samples_label = samples_label
-        self._structure_label = structure_label
-        self._variables_label = variables_label
-        self._time_key = time_key
-        self._variables_key = variables_key
-        self._df_samples_list = None
-        self._array_indx = None
-        super(JsonImporter, self).__init__(file_path)
-        self._raw_data = self.read_json_file()
-
-    def import_data(self, indx: int) -> None:
-        """Implements the abstract method of :class:`AbstractImporter`.
-
-        :param indx: the index of the outer JsonArray to extract the data from
-        :type indx: int
-        """
-        self._array_indx = indx
-        self._df_samples_list = self.import_trajectories(self._raw_data)
-        self._sorter = self.build_sorter(self._df_samples_list[0])
-        self.compute_row_delta_in_all_samples_frames(self._df_samples_list)
-        self.clear_data_frame_list()
-        self._df_structure = self.import_structure(self._raw_data)
-        self._df_variables = self.import_variables(self._raw_data)
-
-    def import_trajectories(self, raw_data: typing.List) -> typing.List:
-        """Imports the trajectories from the list of dicts ``raw_data``.
-
-        :param raw_data: List of Dicts
-        :type raw_data: List
-        :return: List of dataframes containing all the trajectories
-        :rtype: List
-        """
-        return self.normalize_trajectories(raw_data, self._array_indx, self._samples_label)
-
-    def import_structure(self, raw_data: typing.List) -> pd.DataFrame:
-        """Imports in a dataframe the data in the list raw_data at the key ``_structure_label``
-
-        :param raw_data: List of Dicts
-        :type raw_data: List
-        :return: Dataframe containg the starting node a ending node of every arc of the network
-        :rtype: pandas.Dataframe
-        """
-        return self.one_level_normalizing(raw_data, self._array_indx, self._structure_label)
-
-    def import_variables(self, raw_data: typing.List) -> pd.DataFrame:
-        """Imports the data in ``raw_data`` at the key ``_variables_label``.
-
-        :param raw_data: List of Dicts
-        :type raw_data: List
-        :return: Datframe containg the variables simbolic labels and their cardinalities
-        :rtype: pandas.Dataframe
-        """
-        return self.one_level_normalizing(raw_data, self._array_indx, self._variables_label)
-
-    def read_json_file(self) -> typing.List:
-        """Reads the JSON file in the path self.filePath.
-
-        :return: The contents of the json file
-        :rtype: List
-        """
-        with open(self._file_path) as f:
-            data = json.load(f)
-            return data
-
-    def one_level_normalizing(self, raw_data: typing.List, indx: int, key: str) -> pd.DataFrame:
-        """Extracts the one-level nested data in the list ``raw_data`` at the index ``indx`` at the key ``key``.
-
-        :param raw_data: List of Dicts
-        :type raw_data: List
-        :param indx: The index of the array from which the data have to be extracted
-        :type indx: int
-        :param key: the key for the Dicts from which exctract data
-        :type key: string
-        :return: A normalized dataframe
-        :rtype: pandas.Datframe
-        """
-        return pd.DataFrame(raw_data[indx][key])
-
-    def normalize_trajectories(self, raw_data: typing.List, indx: int, trajectories_key: str) -> typing.List:
-        """
-        Extracts the trajectories in ``raw_data`` at the index ``index`` at the key ``trajectories key``.
-
-        :param raw_data: List of Dicts
-        :type raw_data: List
-        :param indx: The index of the array from which the data have to be extracted
-        :type indx: int
-        :param trajectories_key: the key of the trajectories objects
-        :type trajectories_key: string
-        :return: A list of daframes containg the trajectories
-        :rtype: List
-        """
-        dataframe = pd.DataFrame
-        smps = raw_data[indx][trajectories_key]
-        df_samples_list = [dataframe(sample) for sample in smps]
-        return df_samples_list
-
-    def build_sorter(self, sample_frame: pd.DataFrame) -> typing.List:
-        """Implements the abstract method build_sorter of the :class:`AbstractImporter` for this dataset.
-        """
-        columns_header = list(sample_frame.columns.values)
-        columns_header.remove(self._time_key)
-        return columns_header
-
-    def clear_data_frame_list(self) -> None:
-        """Removes all values present in the dataframes in the list ``_df_samples_list``.
-        """
-        for indx in range(len(self._df_samples_list)):
-            self._df_samples_list[indx] = self._df_samples_list[indx].iloc[0:0]
-
-    def dataset_id(self) -> object:
-        return self._array_indx
-
-    def import_sampled_cims(self, raw_data: typing.List, indx: int, cims_key: str) -> typing.Dict:
-        """Imports the synthetic CIMS in the dataset in a dictionary, using variables labels
-        as keys for the set of CIMS of a particular node.
-
-        :param raw_data: List of Dicts
-        :type raw_data: List
-        :param indx: The index of the array from which the data have to be extracted
-        :type indx: int
-        :param cims_key: the key where the json object cims are placed
-        :type cims_key: string
-        :return: a dictionary containing the sampled CIMS for all the variables in the net
-        :rtype: Dictionary
-        """
-        cims_for_all_vars = {}
-        for var in raw_data[indx][cims_key]:
-            sampled_cims_list = []
-            cims_for_all_vars[var] = sampled_cims_list
-            for p_comb in raw_data[indx][cims_key][var]:
-                cims_for_all_vars[var].append(pd.DataFrame(raw_data[indx][cims_key][var][p_comb]).to_numpy())
-        return cims_for_all_vars
-
-
-

PyCTBN/build/lib/classes/utility/sample_importer.py

@@ -1,65 +0,0 @@
-import json
-import typing
-
-import pandas as pd
-import numpy as np
-
-from .abstract_importer import AbstractImporter
-
-
-
-class SampleImporter(AbstractImporter):
-    """Implements the abstracts methods of AbstractImporter and adds all the necessary methods to process and prepare
-    the data loaded directly by using DataFrame
-
-    :param trajectory_list: the data that describes the trajectories
-    :type trajectory_list: typing.Union[pd.DataFrame, np.ndarray, typing.List]
-    :param variables: the data that describes the variables with name and cardinality
-    :type variables: typing.Union[pd.DataFrame, np.ndarray, typing.List]
-    :param prior_net_structure: the data of the real structure, if it exists
-    :type prior_net_structure: typing.Union[pd.DataFrame, np.ndarray, typing.List]
-
-    :_df_samples_list: a Dataframe list in which every dataframe contains a trajectory
-    :_raw_data: The raw contents of the json file to import
-    :type _raw_data: List
-    """
-
-    def __init__(self, 
-                trajectory_list: typing.Union[pd.DataFrame, np.ndarray, typing.List] = None,
-                variables: typing.Union[pd.DataFrame, np.ndarray, typing.List] = None,
-                prior_net_structure: typing.Union[pd.DataFrame, np.ndarray,typing.List] = None):
-
-        'If the data are not DataFrame, it will be converted'
-        if isinstance(variables,list) or isinstance(variables,np.ndarray):
-            variables = pd.DataFrame(variables)
-        if isinstance(variables,list) or isinstance(variables,np.ndarray):
-            prior_net_structure=pd.DataFrame(prior_net_structure)
-
-        super(SampleImporter, self).__init__(trajectory_list =trajectory_list,
-                                        variables= variables,
-                                        prior_net_structure=prior_net_structure)
-
-    def import_data(self, header_column = None):
-
-        if header_column is not None:
-            self._sorter = header_column
-        else:    
-            self._sorter = self.build_sorter(self._df_samples_list[0])
-
-        samples_list= self._df_samples_list
-
-        if isinstance(samples_list, np.ndarray):
-            samples_list = samples_list.tolist()
-
-        self.compute_row_delta_in_all_samples_frames(samples_list)
-
-    def build_sorter(self, sample_frame: pd.DataFrame) -> typing.List:
-        """Implements the abstract method build_sorter of the :class:`AbstractImporter` in order to get the ordered variables list.
-        """
-        columns_header = list(sample_frame.columns.values)
-        del columns_header[0]
-        return columns_header
-
-
-    def dataset_id(self) -> object:
-        pass

PyCTBN/build/lib/tests/__init__.py

@@ -1 +0,0 @@
-