Frontdoor-forbidden
DAG
Computes a set of frontdoor-forbidden nodes, which is a crucial in the algorithm for finding a front-door adjustment set given by Wienöbst et al. (2024).
EDGES --> <--
SETS Y, A, Z, X
START <-- AT Y
OUTPUT ...
... | --> | current not in X
<-- | <-- | current not in X and next not in Z
--> | <-- | current in A and next not in Z