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Documents Chapter 2 Describing Contingency Tables Reported by Liu Qi.

Slide 1Chapter 2 Describing Contingency Tables Reported by Liu Qi Slide 2 Review of Chapter 1 Categorical variable Response-Explanatory variable Nominal-Ordinal-Interval…

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Confounding, Effect Modification, and Stratification Adding a Third Dimension to the RxC picture 1. Confounding A confounding variable is associated with the exposure and…

Documents Confounding, Effect Modification, and Stratification HRP 261 1/26/04.

Confounding, Effect Modification, and Stratification HRP 261 1/26/04 Adding a Third Dimension to the RxC picture Some Terms 1. What Agresti calls, “Marginally associated…