dagitty: isAcyclic – R documentation

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isAcyclic

Test for Cycles

Description

Returns TRUE if the given graph does not contain a directed cycle.

Usage

isAcyclic(x)

Arguments

`x`	the input graph, of any graph type.

Details

This function will only consider simple directed edges in the given graph.

Examples

g1 <- dagitty("dag{X -> Y -> Z}")
stopifnot( isTRUE(isAcyclic( g1 )) )
g2 <- dagitty("dag{X -> Y -> Z -> X}")
stopifnot( isTRUE(!isAcyclic( g2 )) )
g3 <- dagitty("mag{X -- Y -- Z -- X}")
stopifnot( isTRUE(isAcyclic( g3 )) )

dagitty

Graphical Analysis of Structural Causal Models

v0.3-1

GPL-2

Authors

Johannes Textor, Benito van der Zander, Ankur Ankan

Initial release

2021-01-20