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lme4 (version 0.5-2)
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
539,960
Version
0.5-2
License
GPL version 2 or later
Maintainer
Douglas Bates
Last Published
March 26th, 2025
Functions in lme4 (0.5-2)
Search all functions
BIC
Bayesian Information Criterion
LMEgradient
The gradient and Hessian in lme optimization-method
family-class
Class "family"
EMstepsGets
Perform EM iterations
pdLogChol-class
Class "pdLogChol", positive-definite matrices
pdMatrix
Return the positive-definite matrix
pdMat-class
Class pdMat, positive-definite matrices
Hsb82
High School and Beyond - 1982
nfGroupedData-class
Class "nfGroupedData"
LMEoptimizeGets
Optimize linear mixed-effects
corrmatrix-class
Class "corrmatrix"
fixed.effects
Extract Fixed Effects
pdDiag-class
Class "pdDiag"
EMupdateGets
Update an object in the EM algorithm
pdmatrix-class
Positive-definite matrices
lme
Fit linear mixed-effects models
pdFactor
Square-root factor
groupedData-class
Class "groupedData"
pdNatural-class
Class "pdNatural", positive-definite matrices
reStruct
Create an reStruct object
weightedGets
Modify the weights
pdgradNumeric
Evaluate the pdmatrix gradient numerically
pdIdent-class
Class "pdIdent"
corMatrix
Generate the correlation matrix
lmeLevel-class
Class "lmeLevel"
VarCorr-class
Class "VarCorr"
corFactor
Extract the correlation factor
groupedData
Creation of groupedData objects
guImmun
Immunization in Guatemala
lmList
List of lm Objects with a Common Model
formulas
Utilities for formulas
pdgradient
Evaluated the pdmatrix gradient
lmeLevel
Construct an lmeLevel object
nffGroupedData-class
Class "nffGroupedData"
nmGroupedData-class
Class "nmGroupedData"
lmeControl
Control values for lme
coefGets
Assign parameters
guPrenat
Prenatal care in Guatemala
summary.reStruct-class
Class "summary.reStruct"
glmmStruct
Create a glmm object
nfnGroupedData-class
Class "nfnGroupedData"
matrixGets
Assign the matrix
isInitialized
Check for initialization
pdfactor-class
Factors of positive-definite matrices
nlmeInternal-class
Some internal classes
glmm-class
Class "glmm"
responseGets
Modify the response
intervals
Confidence Intervals on Coefficients
model.matrixGets
Assign the model.matrix
lme-class
Class "lme"
Names
Extract or assign Names
pdCompSymm-class
Class "pdCompSymm"
reStruct-class
Class "reStruct"
solve-methods
Methods for Function solve
GLMM
Fit Generalized Linear Mixed Models via PQL
pdBlocked-class
Class "pdBlocked", blocked pd matrices
VarCorr
Extract variance and correlation components
pooledSD
Extract pooled standard deviation
nlme-internal
Internal nlme functions
coerce-methods
Coercion methods and assignments
logDet
Logarithm of the determinant
random.effects
Extract Random Effects
lmList-class
Class "lmList"
MathAchieve
Mathematics achievement scores
Wheat2
Wheat Yield Trials
Tetracycline1
Pharmacokinetics of tetracycline
Spruce
Growth of Spruce Trees
RatPupWeight
The weight of rat pups
Fatigue
Cracks caused by metal fatigue
Alfalfa
Split-Plot Experiment on Varieties of Alfalfa
IGF
Radioimmunoassay of IGF-I Protein
Soybean
Growth of soybean plants
Assay
Bioassay on Cell Culture Plate
MathAchSchool
School demographic data for MathAchieve
Wheat
Yields by growing conditions
Glucose
Glucose levels over time
Relaxin
Assay for Relaxin
Glucose2
Glucose Levels Following Alcohol Ingestion
s3bby
Responses simulated by Rodriguez and Goldman
Pixel
X-ray pixel intensities over time
Cefamandole
Pharmacokinetics of Cefamandole
Rail
Evaluation of Stress in Railway Rails
Wafer
Modeling of Analog MOS Circuits
Dialyzer
High-Flux Hemodialyzer
Orthodont
Growth curve data on an orthdontic measurement
Ovary
Counts of Ovarian Follicles
Milk
Protein content of cows' milk
Oxide
Variability in Semiconductor Manufacturing
Quinidine
Quinidine Kinetics
PBG
Effect of Phenylbiguanide on Blood Pressure
Tetracycline2
Pharmacokinetics of tetracycline
bdf
Language scores
Phenobarb
Phenobarbitol Kinetics
Oxboys
Heights of Boys in Oxford
Gasoline
Refinery yield of gasoline
Machines
Productivity Scores for Machines and Workers
ergoStool
Ergometrics experiment with stool types
Oats
Split-plot Experiment on Varieties of Oats
Earthquake
Earthquake Intensity
Muscle
Contraction of heart muscle sections
Remifentanil
Pharmacokinetics of remifentanil
Meat
Tenderness of meat
Nitrendipene
Assay of nitrendipene
BodyWeight
Rat weight over time for different diets
s3bbx
Covariates in the Rodriguez and Goldman simulation
Gun
Methods for firing naval guns