https://www.selleckchem.com/pr....oducts/ch4987655.htm
The mean corrected generalized estimating equations can provide consistently and asymptotically normally distributed estimators under true contamination probabilities. In the self-reported cocaine use with urine test study, accurate weekly urine test results are used to detect contamination. The superior performances of the proposed method are illustrated by both simulation studies and real data analysis.Poisson regression can be challenging with sparse data, in particular with certain data constellations where maximum likelihood esti
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