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lme4 (version 0.3-6)

Linear mixed-effects models using S4 classes

Description

Fit linear and generalized linear mixed-effects models.

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Version

Install

install.packages('lme4')

Monthly Downloads

544,654

Version

0.3-6

License

GPL version 2 or later

Maintainer

Douglas Bates

Last Published

March 26th, 2025

Functions in lme4 (0.3-6)

coefGets

Assign parameters
formulas

Utilities for formulas
VarCorr

Extract variance and correlation components
EMupdateGets

Update an object in the EM algorithm
glmm-class

Class "glmm"
corFactor

Extract the correlation factor
pdfactor-class

Factors of positive-definite matrices
groupedData-class

Class "groupedData"
isInitialized

Check for initialization
pdDiag-class

Class "pdDiag"
LMEoptimizeGets

Optimize linear mixed-effects
pdBlocked-class

Class "pdBlocked", blocked pd matrices
pdmatrix-class

Positive-definite matrices
pdMatrix

Return the positive-definite matrix
solve-methods

Methods for Function solve
logDet

Logarithm of the determinant
model.matrixGets

Assign the model.matrix
pdNatural-class

Class "pdNatural", positive-definite matrices
matrixGets

Assign the matrix
guImmun

Immunization in Guatemala
nlmeInternal-class

Some internal classes
family-class

Class "family"
BIC

Bayesian Information Criterion
responseGets

Modify the response
pdCompSymm-class

Class "pdCompSymm"
guPrenat

Prenatal care in Guatemala
nfnGroupedData-class

Class "nfnGroupedData"
lme

Fit linear mixed-effects models
pdFactor

Square-root factor
random.effects

Extract Random Effects
glmmStruct

Create a glmm object
corrmatrix-class

Class "corrmatrix"
lmList-class

Class "lmList"
pdMat-class

Class pdMat, positive-definite matrices
pooledSD

Extract pooled standard deviation
lmeLevel-class

Class "lmeLevel"
summary.reStruct-class

Class "summary.reStruct"
nfGroupedData-class

Class "nfGroupedData"
pdgradient

Evaluated the pdmatrix gradient
reStruct-class

Class "reStruct"
Hsb82

High School and Beyond - 1982
LMEgradient

The gradient in lme optimization
lmeControl

Control values for lme
nffGroupedData-class

Class "nffGroupedData"
pdLogChol-class

Class "pdLogChol", positive-definite matrices
reStruct

Create an reStruct object
Names

Extract or assign Names
EMstepsGets

Perform EM iterations
VarCorr-class

Class "VarCorr"
intervals

Confidence Intervals on Coefficients
pdIdent-class

Class "pdIdent"
lmeLevel

Construct an lmeLevel object
weightedGets

Modify the weights
nlme-internal

Internal nlme functions
nmGroupedData-class

Class "nmGroupedData"
corMatrix

Generate the correlation matrix
fixed.effects

Extract Fixed Effects
lmList

List of lm Objects with a Common Model
pdgradNumeric

Evaluate the pdmatrix gradient numerically
GLMM

Fit Generalized Linear Mixed Models via PQL
lme-class

Class "lme"
s3bby

Responses simulated by Rodriguez and Goldman
s3bbx

Covariates in the Rodriguez and Goldman simulation