Learn R Programming

⚠️There's a newer version (1.1-37) of this package.Take me there.

lme4 (version 0.4-3)

Linear mixed-effects models using S4 classes

Description

Fit linear and generalized linear mixed-effects models.

Copy Link

Version

Install

install.packages('lme4')

Monthly Downloads

539,960

Version

0.4-3

License

GPL version 2 or later

Maintainer

Douglas Bates

Last Published

March 26th, 2025

Functions in lme4 (0.4-3)

guImmun

Immunization in Guatemala
nmGroupedData-class

Class "nmGroupedData"
pdgradNumeric

Evaluate the pdmatrix gradient numerically
isInitialized

Check for initialization
nlme-internal

Internal nlme functions
coerce-methods

Coercion methods and assignments
LMEoptimizeGets

Optimize linear mixed-effects
lmeControl

Control values for lme
pdMat-class

Class pdMat, positive-definite matrices
pdCompSymm-class

Class "pdCompSymm"
pdBlocked-class

Class "pdBlocked", blocked pd matrices
glmm-class

Class "glmm"
fixed.effects

Extract Fixed Effects
GLMM

Fit Generalized Linear Mixed Models via PQL
corFactor

Extract the correlation factor
Hsb82

High School and Beyond - 1982
VarCorr-class

Class "VarCorr"
glmmStruct

Create a glmm object
nffGroupedData-class

Class "nffGroupedData"
pdfactor-class

Factors of positive-definite matrices
lmList

List of lm Objects with a Common Model
nfGroupedData-class

Class "nfGroupedData"
guPrenat

Prenatal care in Guatemala
family-class

Class "family"
formulas

Utilities for formulas
pdDiag-class

Class "pdDiag"
nfnGroupedData-class

Class "nfnGroupedData"
BIC

Bayesian Information Criterion
lmeLevel-class

Class "lmeLevel"
weightedGets

Modify the weights
lmeLevel

Construct an lmeLevel object
pooledSD

Extract pooled standard deviation
pdFactor

Square-root factor
pdLogChol-class

Class "pdLogChol", positive-definite matrices
pdIdent-class

Class "pdIdent"
summary.reStruct-class

Class "summary.reStruct"
corMatrix

Generate the correlation matrix
LMEgradient

The gradient and Hessian in lme optimization-method
lme-class

Class "lme"
pdgradient

Evaluated the pdmatrix gradient
lme

Fit linear mixed-effects models
nlmeInternal-class

Some internal classes
intervals

Confidence Intervals on Coefficients
EMstepsGets

Perform EM iterations
pdMatrix

Return the positive-definite matrix
matrixGets

Assign the matrix
reStruct-class

Class "reStruct"
logDet

Logarithm of the determinant
model.matrixGets

Assign the model.matrix
Names

Extract or assign Names
VarCorr

Extract variance and correlation components
groupedData-class

Class "groupedData"
coefGets

Assign parameters
pdNatural-class

Class "pdNatural", positive-definite matrices
lmList-class

Class "lmList"
solve-methods

Methods for Function solve
random.effects

Extract Random Effects
EMupdateGets

Update an object in the EM algorithm
corrmatrix-class

Class "corrmatrix"
reStruct

Create an reStruct object
pdmatrix-class

Positive-definite matrices
responseGets

Modify the response
s3bbx

Covariates in the Rodriguez and Goldman simulation
s3bby

Responses simulated by Rodriguez and Goldman