causaldag.classes.ancestral_graph.AncestralGraph.add_nodes_from

AncestralGraph.add_nodes_from(nodes: Iterable[Hashable])[source]

Add nodes to the ancestral graph.

Parameters:nodes – an iterable of hashable Python objects

See also

add_node()

Examples

>>> import causaldag as cd
>>> g = cd.AncestralGraph()
>>> g.add_nodes_from({1, 2})
>>> len(g.nodes)
2