causaldag.classes.dag.DAG.induced_subgraph

DAG.induced_subgraph(nodes: Set[Hashable])

Return the induced subgraph over only nodes

Parameters:nodes – Set of nodes for the induced subgraph. Returns:Induced subgraph over nodes. Return type:DAG

Examples

>>> import causaldag as cd
>>> d = cd.DAG(arcs={(1, 2), (2, 3), (1, 4)})
>>> d_induced = d.induced_subgraph({1, 2, 3})
>>> d_induced.arcs
{(1, 2), (2, 3)}