make_dag function

Helper to run a causal statement specifying a DAG into a data.frame of pairwise parent child relations between nodes specified by a respective edge.

make_dag(statement)

Arguments

• statement: character string. Statement describing causal relations between nodes. Only directed relations are permitted. For instance "X -> Y" or "X1 -> Y <- X2; X1 -> X2"

Returns

a data.frame with columns v, w, e specifying parent, child and edge respectively