Learn R Programming
SEMID (version 0.3.2)

parents: All parents a collection of nodes.

Description

All parents a collection of nodes.

Usage

parents(this, nodes)
# S3 method for MixedGraphFixedOrder
parents(this, nodes)
# S3 method for MixedGraph
parents(this, nodes)

Arguments

this

the mixed graph object.

nodes

nodes the nodes of which to find the parents.

Value

a vector of parents of the nodes.