trFrom {SEMID}

Trek reachable nodes.

Description

Gets all nodes that are trek reachable from a collection of nodes.

Usage

trFrom(this, nodes, ...)

## S3 method for class 'LatentDigraphFixedOrder'
trFrom(
  this,
  nodes,
  avoidLeftNodes = integer(0),
  avoidRightNodes = integer(0),
  includeObserved = T,
  includeLatents = T,
  ...
)

## S3 method for class 'LatentDigraph'
trFrom(
  this,
  nodes,
  avoidLeftNodes = integer(0),
  avoidRightNodes = integer(0),
  includeObserved = T,
  includeLatents = T,
  ...
)

## S3 method for class 'MixedGraph'
trFrom(
  this,
  nodes,
  avoidLeftNodes = integer(0),
  avoidRightNodes = integer(0),
  ...
)

Arguments

this

the graph object

nodes

the nodes from which to find trek-reachable nodes.

...

ignored.

avoidLeftNodes

a collection of nodes to avoid on the left

avoidRightNodes

a collection of nodes to avoid on the right

includeObserved

if TRUE includes observed nodes in the returned set.

includeLatents

if TRUE includes latent nodes in the returned set.