Answer by Carlos Cinelli for How to understand probability of Necessity (PN)...
Short answer: The equations are correct. What you wrote is a numerical example that is not compatible with the assumption that the non-experimental and experimental data come from the same population....
View ArticleHow to understand probability of Necessity (PN) ≥ 100%, as in this example...
In the book 'Causal Inference in Statistics A Primer' By Pearl et al. there is an example towards the end, (Ex 4.5.1 page 119) that calculates the probability of necessity PN = 1, and the authors state...
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