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 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(),
children(),
descendants(),
districts(),
edge_types(),
edges(),
exogenous(),
is_acyclic(),
is_admg(),
is_caugi(),
is_cpdag(),
is_dag(),
is_empty_caugi(),
is_pdag(),
is_ug(),
m_separated(),
markov_blanket(),
neighbors(),
nodes(),
parents(),
same_nodes(),
subgraph()
Examples
cg <- caugi(
A %-->% B,
A %<->% C,
B %<->% C,
class = "ADMG"
)
spouses(cg, "A") # "C"
#> [1] "C"
spouses(cg, "C") # c("A", "B")
#> [1] "A" "B"
