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lme4 (version 0.99875-5)
Linear mixed-effects models using S4 classes
Description
Fit linear and generalized linear mixed-effects models.
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Install
install.packages('lme4')
Monthly Downloads
539,225
Version
0.99875-5
License
GPL version 2 or later
Maintainer
Douglas Bates
Last Published
December 2nd, 2025
Functions in lme4 (0.99875-5)
Search all functions
lmer
Fit (Generalized) Linear Mixed-Effects Models
pedigree-class
Class "pedigree"
VarCorr
Extract variance and correlation components
gsummary
Summarize a data frame by group
fixef
Extract Fixed Effects
sleepstudy
Reaction times in a sleep deprivation study
lmList-class
Class "lmList"
cbpp
Serological Incidence of Contagious Bovine Pleuropneumonia in Ethiopia
BIC
Bayesian Information Criterion
ranef
Extract Random Effects
mcmcsamp
Generate an MCMC sample
cake
Breakage angle of chocolate cakes
pedigree
Pedigree Constructor
nlmer
Fit Nonlinear Mixed Models
pooledSD
Extract pooled standard deviation
nlmer-class
Representation of a Nonlinear Mixed Model
lmer-class
Mixed Model Representations and *mer Methods
hatTrace
Extract the trace of the `hat' matrix
VarCorr-class
Class "VarCorr"
lmList
List of lm Objects with a Common Model