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lme4 (version 0.95-4)
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
0.95-4
License
GPL version 2 or later
Maintainer
Douglas Bates
Last Published
December 2nd, 2025
Functions in lme4 (0.95-4)
Search all functions
VarCorr
Extract variance and correlation components
BIC
Bayesian Information Criterion
VarCorr-class
Class "VarCorr"
lmer-class
lmer model representation
groupedData
Creation of groupedData objects
lmerControl
Control values for lme
gsummary
Summarize a data frame by group
summary.lmer-class
Class "summary.lmer"
ranef
Extract Random Effects
lmList-class
Class "lmList"
formulas
Utilities for formulas
pooledSD
Extract pooled standard deviation
contr.SAS
Contrast Matrices for SAS-like Results
lmer
Fit linear mixed-effects models
fixef
Extract Fixed Effects
lmList
List of lm Objects with a Common Model