BIC                     Bayesian Information Criterion
fixef                   Extract Fixed Effects
getCovariate            Utilities for formulas
groupedData             Creation of groupedData objects
gsummary                Summarize a data frame by group
lmer                    Fit linear mixed-effects models
lmer-class              Mixed model representations
lmerControl             Control values for lme
lmList                  List of lm Objects with a Common Model
lmList-class            Class "lmList"
pooledSD                Extract pooled standard deviation
ranef                   Extract Random Effects
VarCorr                 Extract variance and correlation components
VarCorr-class           Class "VarCorr"