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Estimating the number of clusters for the analysis of correlated binary response variables from unbalanced data
1Department of Population Medicine, University of Guelph, Ontario, Canada.
Statistics in Medicine
|April 1, 1992
Abstract:
Dominating the literature on sample size determination are papers concerned with observations collected from independent responses. We discuss in this paper, under the common correlation model for binary responses, the issue of estimating the number of groups when the sampling units are clusters of variable sizes.