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lme4 (version 0.6-3)
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
0.6-3
License
GPL version 2 or later
Maintainer
Douglas Bates
Last Published
December 2nd, 2025
Functions in lme4 (0.6-3)
Search all functions
Chem97
Scores on A-level Chemistry in 1997
gsummary
Summarize a data frame by group
Early
Early childhood intervention study
formulas
Utilities for formulas
GLMM
Fit Generalized Linear Mixed Models via PQL
Mmmec
Malignant melanoma deaths in Europe
Names
Extract or assign Names
lmList-class
Class "lmList"
Contraception
Contraceptive use in Bangladesh
random.effects
Extract Random Effects
egsingle
US Sustaining Effects study
summary.lme-class
Class "summary.lme"
guPrenat
Prenatal care in Guatemala
BIC
Bayesian Information Criterion
Gcsemv
GCSE exam score
Socatt
Social Attitudes Survey
summary.GLMM-class
Class "summary.GLMM"
intervals
Confidence Intervals on Coefficients
GLMM-class
Class "GLMM"
lme-class
Class "lme"
pooledSD
Extract pooled standard deviation
fixed.effects
Extract Fixed Effects
guImmun
Immunization in Guatemala
Exam
Exam scores from inner London
lmeControl
Control values for lme
VarCorr
Extract variance and correlation components
groupedData-class
Class "groupedData"
lmList
List of lm Objects with a Common Model
VarCorr-class
Class "VarCorr"
groupedData
Creation of groupedData objects
lme
Fit linear mixed-effects models
Hsb82
High School and Beyond - 1982
Relaxin
Assay for Relaxin
Cefamandole
Pharmacokinetics of Cefamandole
Machines
Productivity Scores for Machines and Workers
Gun
Methods for firing naval guns
Nitrendipene
Assay of nitrendipene
Tetracycline2
Pharmacokinetics of tetracycline
Remifentanil
Pharmacokinetics of remifentanil
RatPupWeight
The weight of rat pups
Alfalfa
Split-Plot Experiment on Varieties of Alfalfa
Quinidine
Quinidine Kinetics
IGF
Radioimmunoassay of IGF-I Protein
Milk
Protein content of cows' milk
Earthquake
Earthquake Intensity
Ovary
Counts of Ovarian Follicles
Rail
Evaluation of Stress in Railway Rails
Oxide
Variability in Semiconductor Manufacturing
s3bbx
Covariates in the Rodriguez and Goldman simulation
Phenobarb
Phenobarbitol Kinetics
s3bby
Responses simulated by Rodriguez and Goldman
Oats
Split-plot Experiment on Varieties of Oats
MathAchSchool
School demographic data for MathAchieve
Tetracycline1
Pharmacokinetics of tetracycline
Orthodont
Growth curve data on an orthdontic measurement
Meat
Tenderness of meat
Muscle
Contraction of heart muscle sections
Gasoline
Refinery yield of gasoline
MathAchieve
Mathematics achievement scores
Wheat
Yields by growing conditions
Fatigue
Cracks caused by metal fatigue
ergoStool
Ergometrics experiment with stool types
BodyWeight
Rat weight over time for different diets
Spruce
Growth of Spruce Trees
Pixel
X-ray pixel intensities over time
Assay
Bioassay on Cell Culture Plate
Oxboys
Heights of Boys in Oxford
Soybean
Growth of soybean plants
Wheat2
Wheat Yield Trials
Glucose
Glucose levels over time
Glucose2
Glucose Levels Following Alcohol Ingestion
Wafer
Modeling of Analog MOS Circuits
PBG
Effect of Phenylbiguanide on Blood Pressure
Dialyzer
High-Flux Hemodialyzer
bdf
Language scores