Skip to contents

Validate a DAG specification

Source: R/dag.R
validate_dag.Rd

Validate a DAG specification

Usage

validate_dag(dag)

Arguments

dag

Named list mapping each node name to a character vector of its parent node names. Root nodes map to character(0) or c().

Value

Invisible NULL. Raises an error if the DAG is invalid.

Examples

dag <- list(x = c(), y = c("x"), z = c("x", "y"))
validate_dag(dag)  # silent - DAG is valid