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Incorrect adjustment sets #4

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futtetennista opened this issue May 17, 2021 · 0 comments

futtetennista commented May 17, 2021

Minimal examples

dag = CausalGraphicalModel(
    nodes=["E", "U", "W"],
    edges=[("E", "W"), ("U", "W")],
)
dag.get_all_backdoor_adjustment_sets("E", "W")
# expected: {frozenset()}
# actual: {frozenset(), frozenset({'U'})}

I double checked this in R using daggity and this is the result

> dag <- dagitty( "dag{ e -> w ; u -> w }" ) ;  adjustmentSets(dag,exposure="e",outcome="w")
{}

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