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lme4 (version 0.6-10)

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

539,225

Version

0.6-10

License

GPL version 2 or later

Maintainer

Douglas Bates

Last Published

December 2nd, 2025

Functions in lme4 (0.6-10)

Gcsemv

GCSE exam score
BIC

Bayesian Information Criterion
formulas

Utilities for formulas
GLMM-class

Class "GLMM"
Socatt

Social Attitudes Survey
lme-class

Class "lme"
lme

Fit linear mixed-effects models
summary.lme-class

Class "summary.lme"
Hsb82

High School and Beyond - 1982
summary.GLMM-class

Class "summary.GLMM"
pooledSD

Extract pooled standard deviation
Early

Early childhood intervention study
intervals

Confidence Intervals on Coefficients
gsummary

Summarize a data frame by group
lmList-class

Class "lmList"
lmList

List of lm Objects with a Common Model
random.effects

Extract Random Effects
Contraception

Contraceptive use in Bangladesh
Mmmec

Malignant melanoma deaths in Europe
lmeControl

Control values for lme
groupedData-class

Class "groupedData"
guPrenat

Prenatal care in Guatemala
VarCorr-class

Class "VarCorr"
egsingle

US Sustaining Effects study
Names

Extract or assign Names
fixed.effects

Extract Fixed Effects
groupedData

Creation of groupedData objects
GLMM

Fit Generalized Linear Mixed Models via PQL
guImmun

Immunization in Guatemala
VarCorr

Extract variance and correlation components
MathAchSchool

School demographic data for MathAchieve
Fatigue

Cracks caused by metal fatigue
Gun

Methods for firing naval guns
Tetracycline1

Pharmacokinetics of tetracycline
MathAchieve

Mathematics achievement scores
Milk

Protein content of cows' milk
Machines

Productivity Scores for Machines and Workers
Phenobarb

Phenobarbitol Kinetics
Ovary

Counts of Ovarian Follicles
Meat

Tenderness of meat
Assay

Bioassay on Cell Culture Plate
Wheat

Yields by growing conditions
Soybean

Growth of soybean plants
Wheat2

Wheat Yield Trials
RatPupWeight

The weight of rat pups
Earthquake

Earthquake Intensity
Oats

Split-plot Experiment on Varieties of Oats
Pixel

X-ray pixel intensities over time
IGF

Radioimmunoassay of IGF-I Protein
Oxboys

Heights of Boys in Oxford
s3bby

Responses simulated by Rodriguez and Goldman
Quinidine

Quinidine Kinetics
Remifentanil

Pharmacokinetics of remifentanil
Dialyzer

High-Flux Hemodialyzer
Spruce

Growth of Spruce Trees
Orthodont

Growth curve data on an orthdontic measurement
s3bbx

Covariates in the Rodriguez and Goldman simulation
Tetracycline2

Pharmacokinetics of tetracycline
Gasoline

Refinery yield of gasoline
Cefamandole

Pharmacokinetics of Cefamandole
Glucose

Glucose levels over time
Glucose2

Glucose Levels Following Alcohol Ingestion
Rail

Evaluation of Stress in Railway Rails
ergoStool

Ergometrics experiment with stool types
bdf

Language scores
Oxide

Variability in Semiconductor Manufacturing
PBG

Effect of Phenylbiguanide on Blood Pressure
Relaxin

Assay for Relaxin
Nitrendipene

Assay of nitrendipene
Wafer

Modeling of Analog MOS Circuits
Alfalfa

Split-Plot Experiment on Varieties of Alfalfa
Muscle

Contraction of heart muscle sections
BodyWeight

Rat weight over time for different diets