diff --git a/main_package/classes/network_graph.py b/main_package/classes/network_graph.py
index aaf297b..65a56de 100644
--- a/main_package/classes/network_graph.py
+++ b/main_package/classes/network_graph.py
@@ -3,7 +3,6 @@ import networkx as nx
 import numpy as np
 
 
-
 class NetworkGraph():
     """
     Rappresenta il grafo che contiene i nodi e gli archi presenti nell'oggetto Structure graph_struct.
@@ -196,16 +195,4 @@ class NetworkGraph():
     def transition_filtering(self):
         return self._transition_filtering
 
-    """def remove_node(self, node_id):
-        node_indx = self.get_node_indx(node_id)
-        self.graph_struct.remove_node(node_id)
-        self.graph.remove_node(node_id)
-        del self._fancy_indexing[node_indx]
-        del self._time_filtering[node_indx]
-        del self._nodes_labels[node_indx]
-        del self._transition_scalar_indexing_structure[node_indx]
-        del self._transition_filtering[node_indx]
-        del self._time_scalar_indexing_structure[node_indx]
-        del self.aggregated_info_about_nodes_parents[node_indx]
-        del self._nodes_indexes[node_indx]"""
 
diff --git a/main_package/classes/structure.py b/main_package/classes/structure.py
index 4f89978..c588e9f 100644
--- a/main_package/classes/structure.py
+++ b/main_package/classes/structure.py
@@ -66,7 +66,3 @@ class Structure:
                    self.variables_frame.equals(other.variables_frame)
         return NotImplemented
 
-    """def remove_node(self, node_id):
-        self.variables_frame = self.variables_frame[self.variables_frame.Name != node_id]
-        self.structure_frame = self.structure_frame[(self.structure_frame.From != node_id) &
-                                                    (self.structure_frame.To != node_id)]"""
diff --git a/main_package/classes/structure_estimator.py b/main_package/classes/structure_estimator.py
index e5e0cee..eea8f08 100644
--- a/main_package/classes/structure_estimator.py
+++ b/main_package/classes/structure_estimator.py
@@ -15,7 +15,6 @@ class StructureEstimator:
 
     def __init__(self, sample_path, exp_test_alfa, chi_test_alfa):
         self.sample_path = sample_path
-        #self.complete_graph_frame = self.build_complete_graph_frame(self.sample_path.structure.list_of_nodes_labels())
         self.nodes = np.array(self.sample_path.structure.list_of_nodes_labels())
         self.nodes_vals = self.sample_path.structure.nodes_vals_arr
         self.nodes_indxs = self.sample_path.structure.nodes_indexes_arr
@@ -34,7 +33,7 @@ class StructureEstimator:
         complete_graph.add_nodes_from(node_ids)
         complete_graph.add_edges_from(itertools.permutations(node_ids, 2))
         return complete_graph
-#TODO Tutti i valori che riguardano il test child possono essere settati una volta sola
+
     def complete_test(self, test_parent, test_child, parent_set, child_states_numb, tot_vars_count):
         p_set = parent_set[:]
         complete_info = parent_set[:]
@@ -50,7 +49,6 @@ class StructureEstimator:
             indxs1 = self.nodes_indxs[bool_mask1]
             vals1 = self.nodes_vals[bool_mask1]
             eds1 = list(itertools.product(parent_set,test_child))
-            #TODO il numero di variabili puo essere passato dall'esterno
             s1 = st.Structure(l1, indxs1, vals1, eds1, tot_vars_count)
             g1 = ng.NetworkGraph(s1)
             g1.init_graph()
@@ -116,10 +114,10 @@ class StructureEstimator:
         C1 = cim1.cim
         C2 = cim2.cim
         F_stats = C2.diagonal() / C1.diagonal()
-        #child_states_numb = self.sample_path.structure.get_states_number(tested_child)
+        exp_alfa = self.exp_test_sign
         for val in range(0, child_states_numb):
-            if F_stats[val] < f_dist.ppf(self.exp_test_sign / 2, r1s[val], r2s[val]) or \
-                    F_stats[val] > f_dist.ppf(1 - self.exp_test_sign / 2, r1s[val], r2s[val]):
+            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]):
                 #print("CONDITIONALLY DEPENDENT EXP")
                 return False
         #M1_no_diag = self.remove_diagonal_elements(cim1.state_transition_matrix)
@@ -151,7 +149,7 @@ class StructureEstimator:
         return True
 
     def one_iteration_of_CTPC_algorithm(self, var_id, tot_vars_count):
-        print("TESTING VAR", var_id)
+        #print("TESTING VAR", var_id)
         u = list(self.complete_graph.predecessors(var_id))
         #tests_parents_numb = len(u)
         #complete_frame = self.complete_graph_frame
diff --git a/main_package/tests/test_structure_estimator.py b/main_package/tests/test_structure_estimator.py
index 10b2004..e6942df 100644
--- a/main_package/tests/test_structure_estimator.py
+++ b/main_package/tests/test_structure_estimator.py
@@ -30,7 +30,7 @@ class TestStructureEstimator(unittest.TestCase):
         lp_wrapper()
         lp.print_stats()
         #se1.ctpc_algorithm()
-        #print(se1.complete_graph.edges)
+        print(se1.complete_graph.edges)
 
     def aux_test_complete_test(self, estimator, test_par, test_child, p_set):
         estimator.complete_test(test_par, test_child, p_set)