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lme4 (version 0.2-2)
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
0.2-2
License
GPL version 2 or later
Maintainer
Douglas Bates
Last Published
December 2nd, 2025
Functions in lme4 (0.2-2)
Search all functions
guImmun
Immunization in Guatemala
EMupdateGets
Update an object in the EM algorithm
EMstepsGets
Perform EM iterations
lmList-class
Class "lmList"
logLik-methods
Methods for Function logLik
VarCorr-class
Class "VarCorr"
corFactor
Extract the correlation factor
intervals
Confidence Intervals on Coefficients
fixed.effects
Extract Fixed Effects
matrixGets
Assign the matrix
model.matrixGets
Assign the model.matrix
lmeLevel
Construct an lmeLevel object
Names
Extract or assign Names
coefGets
Assign parameters
reStruct-class
Class "reStruct"
lme
Fit linear mixed-effects models
pdFactor
Square-root factor
pdgradNumeric
Evaluate the pdmatrix gradient numerically
lmeControl
Control values for lme
pooledSD
Extract pooled standard deviation
isInitialized
Check for initialization
VarCorr
Extract variance and correlation components
reStruct
Create an reStruct object
random.effects
Extract Random Effects
pdMatrix
Return the positive-definite matrix
nffGroupedData-class
Class "nffGroupedData"
guPrenat
Prenatal care in Guatemala
nmGroupedData-class
Class "nmGroupedData"
pdgradient
Evaluated the pdmatrix gradient
corMatrix
Generate the correlation matrix
pdfactor-class
Factors of positive-definite matrices
lme-class
Class "lme"
BIC
Bayesian Information Criterion
pdCompSymm-class
Class "pdCompSymm"
pdDiag-class
Class "pdDiag"
formulas
Utilities for formulas
summary.reStruct-class
Class "summary.reStruct"
weightedGets
Modify the weights
pdLogChol-class
Class "pdLogChol", positive-definite matrices
nfnGroupedData-class
Class "nfnGroupedData"
corrmatrix-class
Class "corrmatrix"
solve-methods
Methods for Function solve
pdIdent-class
Class "pdIdent"
glmm-class
Class "glmm"
family-class
Class "family"
Hsb82
High School and Beyond - 1982
lmList
List of lm Objects with a Common Model
glmmStruct
Create a glmm object
pdBlocked-class
Class "pdBlocked", blocked pd matrices
nlmeInternal-class
Some internal classes
responseGets
Modify the response
groupedData-class
Class "groupedData"
pdmatrix-class
Positive-definite matrices
nlme-internal
Internal nlme functions
pdNatural-class
Class "pdNatural", positive-definite matrices
LMEoptimizeGets
Optimize linear mixed-effects
LMEgradient
The gradient in lme optimization
GLMM
Fit Generalized Linear Mixed Models via PQL
pdMat-class
Class pdMat, positive-definite matrices
logDet
Logarithm of the determinant
lmeLevel-class
Class "lmeLevel"
nfGroupedData-class
Class "nfGroupedData"
s3bby
Responses simulated by Rodriguez and Goldman
s3bbx
Covariates in the Rodriguez and Goldman simulation