1 files changed, 0 insertions, 35 deletions
diff --git a/beliefs/models/DirectedGraph.py b/beliefs/models/DirectedGraph.py
deleted file mode 100644
index 8dfb9bd..0000000
--- a/beliefs/models/DirectedGraph.py
+++ /dev/null
@@ -1,35 +0,0 @@
-import networkx as nx
-
-
-class DirectedGraph(nx.DiGraph):
-    """
-    Base class for all directed graphical models.
-    """
-    def __init__(self, edges, node_labels):
-        """
-        Input:
-            edges: an edge list, e.g. [(parent1, child1), (parent1, child2)]
-            node_labels: a list of strings of node labels
-        """
-        super().__init__()
-        if edges is not None:
-            self.add_edges_from(edges)
-        if node_labels is not None:
-            self.add_nodes_from(node_labels)
-
-    def get_leaves(self):
-        """
-        Returns a list of leaves of the graph.
-        """
-        return [node for node, out_degree in self.out_degree_iter() if
-                out_degree == 0]
-
-    def get_roots(self):
-        """
-        Returns a list of roots of the graph.
-        """
-        return [node for node, in_degree in self.in_degree().items() if
-                in_degree == 0]
-
-    def get_topologically_sorted_nodes(self, reverse=False):
-        return nx.topological_sort(self, reverse=reverse)