Topic: Working Correlation Choices

Working Correlation Matrices and Standardized Residuals

Worked Comparison of Common Working Correlations

Unstructured Correlation for Fixed Visit Schedules

Unequal Cluster Sizes in Pooled Correlation Estimation

Positive-Definite Constraints in Correlation Estimation

Pairwise Residual Moments for Correlation Estimation

Matching Working Correlation to the Study Design

Method-of-Moments Estimation for Exchangeable Correlation

Independence Working Correlation for Unequal Cluster Sizes

Exponential Correlation for Unequally Spaced Visits