add_dots function

Helper to fill in missing do operators in causal expression

add_dots(q, model)

Arguments

• q: A character string. Causal query with at least one parent node missing their do operator.
• model: A causal_model. A model object generated by make_model.

Returns

A causal query expression with all parents nodes set to either 0, 1 or wildcard '.'.

Examples

model <- make_model('X -> Y <- M')
CausalQueries:::add_dots('Y[X=1]', model)
CausalQueries:::add_dots('Y[]', model)