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. 1992 Apr;11(6):751-60.
doi: 10.1002/sim.4780110606.

Estimating the number of clusters for the analysis of correlated binary response variables from unbalanced data

M M Shoukri  1 , S W Martin
Affiliations

Estimating the number of clusters for the analysis of correlated binary response variables from unbalanced data

M M Shoukri et al. Stat Med. 1992 Apr.

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.

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