| ancestor_aid | Ancestor Adjustment Identification Distance between two DAG / CPDAG adjacency matrices |
| oset_aid | Optimal Adjustment Identification Distance between two DAG / CPDAG adjacency matrices |
| parent_aid | Parent Adjustment Identification Distance between two DAG / CPDAG adjacency matrices |
| shd | Structural Hamming Distance between two DAG / CPDAG adjacency matrices |
| sid | Structural Identification Distance between two DAG adjacency matrices |