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lme4 (version 0.8-3)

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

539,960

Version

0.8-3

License

GPL version 2 or later

Maintainer

Douglas Bates

Last Published

March 26th, 2025

Functions in lme4 (0.8-3)

lmList

List of lm Objects with a Common Model
GLMM-class

Class "GLMM"
gsummary

Summarize a data frame by group
contr.SAS

Contrast Matrices for SAS-like Results
pooledSD

Extract pooled standard deviation
fixed.effects

Extract Fixed Effects
Mmmec

Malignant melanoma deaths in Europe
lmList-class

Class "lmList"
lmeControl

Control values for lme
random.effects

Extract Random Effects
lmer-class

lme models representation
GLMM

Fit Generalized Linear Mixed Models via PQL
formulas

Utilities for formulas
VarCorr-class

Class "VarCorr"
VarCorr

Extract variance and correlation components
Socatt

Social Attitudes Survey
groupedData

Creation of groupedData objects
Contraception

Contraceptive use in Bangladesh
summary.lme-class

Class "summary.lme"
lme-class

Class "lme"
lme

Fit linear mixed-effects models
intervals

Confidence Intervals on Coefficients
lmer

Fit linear mixed-effects models
summary.GLMM-class

Class "summary.GLMM"
guImmun

Immunization in Guatemala
Gcsemv

GCSE exam score
summary.lmer-class

Class "summary.lmer"
Early

Early childhood intervention study
guPrenat

Prenatal care in Guatemala
Hsb82

High School and Beyond - 1982
Names

Extract or assign Names
egsingle

US Sustaining Effects study
BIC

Bayesian Information Criterion
Milk

Protein content of cows' milk
PBG

Effect of Phenylbiguanide on Blood Pressure
Wafer

Modeling of Analog MOS Circuits
Tetracycline2

Pharmacokinetics of tetracycline
Rail

Evaluation of Stress in Railway Rails
s3bby

Responses simulated by Rodriguez and Goldman
Remifentanil

Pharmacokinetics of remifentanil
MathAchieve

Mathematics achievement scores
Soybean

Growth of soybean plants
Oxide

Variability in Semiconductor Manufacturing
ergoStool

Ergometrics experiment with stool types
Wheat

Yields by growing conditions
RatPupWeight

The weight of rat pups
Machines

Productivity Scores for Machines and Workers
Oxboys

Heights of Boys in Oxford
Fatigue

Cracks caused by metal fatigue
Assay

Bioassay on Cell Culture Plate
Gun

Methods for firing naval guns
BodyWeight

Rat weight over time for different diets
Earthquake

Earthquake Intensity
Alfalfa

Split-Plot Experiment on Varieties of Alfalfa
Orthodont

Growth curve data on an orthdontic measurement
Cefamandole

Pharmacokinetics of Cefamandole
Glucose

Glucose levels over time
Nitrendipene

Assay of nitrendipene
Glucose2

Glucose Levels Following Alcohol Ingestion
Relaxin

Assay for Relaxin
Ovary

Counts of Ovarian Follicles
Gasoline

Refinery yield of gasoline
Wheat2

Wheat Yield Trials
Quinidine

Quinidine Kinetics
Dialyzer

High-Flux Hemodialyzer
IGF

Radioimmunoassay of IGF-I Protein
s3bbx

Covariates in the Rodriguez and Goldman simulation
Meat

Tenderness of meat
Pixel

X-ray pixel intensities over time
bdf

Language scores
MathAchSchool

School demographic data for MathAchieve
Oats

Split-plot Experiment on Varieties of Oats
Phenobarb

Phenobarbitol Kinetics
Tetracycline1

Pharmacokinetics of tetracycline
Spruce

Growth of Spruce Trees
Muscle

Contraction of heart muscle sections