BIC Bayesian Information Criterion fixef Extract Fixed Effects gsummary Summarize a data frame by group hatTrace Extract the trace of the 'hat' matrix lmer Fit (Generalized) Linear Mixed-Effects Models lmer-class Mixed Model Representations and *mer Methods lmList List of lm Objects with a Common Model lmList-class Class "lmList" mcmcsamp Generate an MCMC sample pedigree Pedigree Constructor pedigree-class Class "pedigree" pooledSD Extract pooled standard deviation ranef Extract Random Effects sleepstudy Reaction times in a sleep deprivation study VarCorr Extract variance and correlation components VarCorr-class Class "VarCorr"