Chunk #41 — 6.0 Simulation Studies — 6.1 Demonstration of Bias as a Poor Performance Measure

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Modification of the Sandwich Estimator in Generalized Estimating Equations with Correlated Binary Outcomes in Rare Event and Small Sample Settings.

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Coverage probabilities, which are related to confidence intervals, are an alternative way of assessing performance. These confidence intervals are centered around the estimated regression coefficients (β^), which are the same for each covariance estimation method in this simulation study. Therefore, the coverage probability in this study is only a function of the estimated variance.