Data Science, Statistics, Analytics, Experiment, Causality.
method is actually very clever. Personally it’s an “aha!” moment once I saw it. Recall the relationship (X → Y → Z) = (X → Y) × (Y → Z). Then: We cannot directly estimate (X → Y → Z) because of an unobserved confounder. We can estimate (X → Y) because they don’t share any common confounders. We can