Causality/3
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code example (2): collider biasCausality/3 2025. 3. 16. 22:11
https://mixtape.scunning.com/03-directed_acyclical_graphs Notice that the two variables are independent, random draws from the standard normal distribution, creating an oblong data cloud. But because “movie star” is in the top 85th percentile of the distribution of a linear combination of talent and beauty, the sample consists of people whose combined score is in the top right portion of the joi..
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code example (1): collider biasCausality/3 2025. 3. 16. 21:42
https://mixtape.scunning.com/03-directed_acyclical_graphsThink of a DAG as like a graphical representation of a chain of causal effects. The causal effects are themselves based on some underlying, unobserved structured process, one an economist might call the equilibrium values of a system of behavioral equations, which are themselves nothing more than a model of the world. All of this is captur..