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lme4 (version 0.6-4)
Linear mixed-effects models using S4 classes
Description
Fit linear and generalized linear mixed-effects models.
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Install
install.packages('lme4')
Monthly Downloads
539,225
Version
0.6-4
License
GPL version 2 or later
Maintainer
Douglas Bates
Last Published
December 2nd, 2025
Functions in lme4 (0.6-4)
Search all functions
Early
Early childhood intervention study
egsingle
US Sustaining Effects study
guPrenat
Prenatal care in Guatemala
groupedData-class
Class "groupedData"
Gcsemv
GCSE exam score
lme
Fit linear mixed-effects models
BIC
Bayesian Information Criterion
lme-class
Class "lme"
Contraception
Contraceptive use in Bangladesh
Socatt
Social Attitudes Survey
Chem97
Scores on A-level Chemistry in 1997
groupedData
Creation of groupedData objects
Hsb82
High School and Beyond - 1982
gsummary
Summarize a data frame by group
lmList
List of lm Objects with a Common Model
GLMM
Fit Generalized Linear Mixed Models via PQL
lmList-class
Class "lmList"
Mmmec
Malignant melanoma deaths in Europe
intervals
Confidence Intervals on Coefficients
lmeControl
Control values for lme
random.effects
Extract Random Effects
Exam
Exam scores from inner London
summary.lme-class
Class "summary.lme"
VarCorr-class
Class "VarCorr"
GLMM-class
Class "GLMM"
summary.GLMM-class
Class "summary.GLMM"
VarCorr
Extract variance and correlation components
formulas
Utilities for formulas
Names
Extract or assign Names
pooledSD
Extract pooled standard deviation
fixed.effects
Extract Fixed Effects
guImmun
Immunization in Guatemala
Fatigue
Cracks caused by metal fatigue
Orthodont
Growth curve data on an orthdontic measurement
Oxide
Variability in Semiconductor Manufacturing
Nitrendipene
Assay of nitrendipene
Assay
Bioassay on Cell Culture Plate
Wheat
Yields by growing conditions
Cefamandole
Pharmacokinetics of Cefamandole
Meat
Tenderness of meat
Milk
Protein content of cows' milk
Gasoline
Refinery yield of gasoline
Remifentanil
Pharmacokinetics of remifentanil
Tetracycline1
Pharmacokinetics of tetracycline
Dialyzer
High-Flux Hemodialyzer
Glucose2
Glucose Levels Following Alcohol Ingestion
s3bby
Responses simulated by Rodriguez and Goldman
PBG
Effect of Phenylbiguanide on Blood Pressure
Gun
Methods for firing naval guns
MathAchSchool
School demographic data for MathAchieve
Quinidine
Quinidine Kinetics
bdf
Language scores
RatPupWeight
The weight of rat pups
Spruce
Growth of Spruce Trees
Oats
Split-plot Experiment on Varieties of Oats
Earthquake
Earthquake Intensity
Machines
Productivity Scores for Machines and Workers
BodyWeight
Rat weight over time for different diets
Rail
Evaluation of Stress in Railway Rails
Wheat2
Wheat Yield Trials
Relaxin
Assay for Relaxin
Oxboys
Heights of Boys in Oxford
Muscle
Contraction of heart muscle sections
Wafer
Modeling of Analog MOS Circuits
Soybean
Growth of soybean plants
ergoStool
Ergometrics experiment with stool types
Glucose
Glucose levels over time
Phenobarb
Phenobarbitol Kinetics
Tetracycline2
Pharmacokinetics of tetracycline
IGF
Radioimmunoassay of IGF-I Protein
Pixel
X-ray pixel intensities over time
s3bbx
Covariates in the Rodriguez and Goldman simulation
Ovary
Counts of Ovarian Follicles
MathAchieve
Mathematics achievement scores
Alfalfa
Split-Plot Experiment on Varieties of Alfalfa