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lme4 (version 0.8-1)

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

0.8-1

License

GPL version 2 or later

Maintainer

Douglas Bates

Last Published

March 26th, 2025

Functions in lme4 (0.8-1)

Mmmec

Malignant melanoma deaths in Europe
lmer-class

lme models representation
lmer

Fit linear mixed-effects models
lmList

List of lm Objects with a Common Model
random.effects

Extract Random Effects
Early

Early childhood intervention study
GLMM-class

Class "GLMM"
guPrenat

Prenatal care in Guatemala
Hsb82

High School and Beyond - 1982
GLMM

Fit Generalized Linear Mixed Models via PQL
guImmun

Immunization in Guatemala
Contraception

Contraceptive use in Bangladesh
Socatt

Social Attitudes Survey
contr.SAS

Contrast Matrices for SAS-like Results
VarCorr-class

Class "VarCorr"
fixed.effects

Extract Fixed Effects
lme

Fit linear mixed-effects models
lme-class

Class "lme"
Names

Extract or assign Names
lmeControl

Control values for lme
summary.GLMM-class

Class "summary.GLMM"
BIC

Bayesian Information Criterion
Gcsemv

GCSE exam score
intervals

Confidence Intervals on Coefficients
summary.lme-class

Class "summary.lme"
gsummary

Summarize a data frame by group
lmList-class

Class "lmList"
egsingle

US Sustaining Effects study
pooledSD

Extract pooled standard deviation
VarCorr

Extract variance and correlation components
summary.lmer-class

Class "summary.lmer"
groupedData

Creation of groupedData objects
formulas

Utilities for formulas
Rail

Evaluation of Stress in Railway Rails
Assay

Bioassay on Cell Culture Plate
bdf

Language scores
Glucose2

Glucose Levels Following Alcohol Ingestion
Orthodont

Growth curve data on an orthdontic measurement
Glucose

Glucose levels over time
Wafer

Modeling of Analog MOS Circuits
PBG

Effect of Phenylbiguanide on Blood Pressure
Quinidine

Quinidine Kinetics
Nitrendipene

Assay of nitrendipene
Alfalfa

Split-Plot Experiment on Varieties of Alfalfa
Phenobarb

Phenobarbitol Kinetics
ergoStool

Ergometrics experiment with stool types
IGF

Radioimmunoassay of IGF-I Protein
BodyWeight

Rat weight over time for different diets
RatPupWeight

The weight of rat pups
Fatigue

Cracks caused by metal fatigue
Machines

Productivity Scores for Machines and Workers
Dialyzer

High-Flux Hemodialyzer
Earthquake

Earthquake Intensity
Milk

Protein content of cows' milk
MathAchieve

Mathematics achievement scores
Tetracycline2

Pharmacokinetics of tetracycline
Oxboys

Heights of Boys in Oxford
Cefamandole

Pharmacokinetics of Cefamandole
Meat

Tenderness of meat
Tetracycline1

Pharmacokinetics of tetracycline
Spruce

Growth of Spruce Trees
Oxide

Variability in Semiconductor Manufacturing
Wheat2

Wheat Yield Trials
s3bby

Responses simulated by Rodriguez and Goldman
MathAchSchool

School demographic data for MathAchieve
s3bbx

Covariates in the Rodriguez and Goldman simulation
Soybean

Growth of soybean plants
Gun

Methods for firing naval guns
Oats

Split-plot Experiment on Varieties of Oats
Gasoline

Refinery yield of gasoline
Ovary

Counts of Ovarian Follicles
Muscle

Contraction of heart muscle sections
Pixel

X-ray pixel intensities over time
Remifentanil

Pharmacokinetics of remifentanil
Relaxin

Assay for Relaxin
Wheat

Yields by growing conditions