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Estimates of the fixed effect and overdispersion parameters obtained from three different models (UNBM, CNBM, and DMM) when data sets were generated using UNBM model. CNBM, conditional negative‐binomial mixed model; DMM, Dirichlet‐multinomial mixed; UNBM, unconstrained negative binomial mixed [Colour figure can be viewed at wileyonlinelibrary.com]
