spouses: Get spouses (bidirected neighbors) of nodes in an ADMG

In caugi: Causal Graph Interface

Get spouses (bidirected neighbors) of nodes in an ADMG

Description

Get nodes connected via bidirected edges in an ADMG.

Usage

spouses(cg, nodes = NULL, index = NULL)

Arguments

cg	A caugi object of class ADMG.
nodes	A character vector of node names.
index	A vector of node indexes.

Value

Either a character vector of node names (if a single node is requested) or a list of character vectors (if multiple nodes are requested).

See Also

Other queries: ancestors(), anteriors(), children(), components(), descendants(), districts(), edge_types(), edges(), exogenous(), is_acyclic(), is_admg(), is_ag(), is_caugi(), is_cpdag(), is_dag(), is_empty_caugi(), is_mag(), is_mpdag(), is_pdag(), is_simple(), is_ug(), m_separated(), markov_blanket(), neighbors(), nodes(), parents(), posteriors(), same_nodes(), subgraph(), topological_sort()

Examples

cg <- caugi(
  A %-->% B,
  A %<->% C,
  B %<->% C,
  class = "ADMG"
)
spouses(cg, "A") # "C"
spouses(cg, "C") # c("A", "B")

caugi documentation built on Oct. 28, 2026, 1:07 a.m.