causaldag.classes.ancestral_graph.AncestralGraph.ancestors_of¶
-
AncestralGraph.
ancestors_of
(nodes: Union[Hashable, Set[Hashable]], exclude_arcs={}) → Set[Hashable][source]¶ Return the ancestors of the node or set of nodes
nodes
.Parameters: - nodes – Set of nodes.
- exclude_arcs – TODO
See also
Returns: Return all nodes j such that there is a directed path from j to node. Return type: Set[node] Example
TODO