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nlme (version 3.1-160)

Linear and Nonlinear Mixed Effects Models

Description

Fit and compare Gaussian linear and nonlinear mixed-effects models.

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Version

Install

install.packages('nlme')

Monthly Downloads

62,596

Version

3.1-160

License

GPL (>= 2)

Maintainer

R-core R-core@R-project.org

Last Published

October 10th, 2022

Functions in nlme (3.1-160)

Covariate.varFunc

Assign varFunc Covariate
Covariate

Assign Covariate Values
Cefamandole

Pharmacokinetics of Cefamandole
Coef

Assign Values to Coefficients
BodyWeight

Rat weight over time for different diets
Alfalfa

Split-Plot Experiment on Varieties of Alfalfa
Assay

Bioassay on Cell Culture Plate
ACF.lme

Autocorrelation Function for lme Residuals
Dim

Extract Dimensions from an Object
Dim.pdMat

Dimensions of a pdMat Object
[.pdMat

Subscript a pdMat Object
ACF.gls

Autocorrelation Function for gls Residuals
Earthquake

Earthquake Intensity
Dim.corSpatial

Dimensions of a corSpatial Object
Fatigue

Cracks caused by metal fatigue
ACF

Autocorrelation Function
Dialyzer

High-Flux Hemodialyzer
Gasoline

Refinery yield of gasoline
Glucose

Glucose levels over time
Glucose2

Glucose Levels Following Alcohol Ingestion
Initialize.varFunc

Initialize varFunc Object
Dim.corStruct

Dimensions of a corStruct Object
Initialize.reStruct

Initialize reStruct Object
Initialize.lmeStruct

Initialize an lmeStruct Object
IGF

Radioimmunoassay of IGF-I Protein
Initialize

Initialize Object
LDEsysMat

Generate system matrix for LDEs
Names

Names Associated with an Object
Muscle

Contraction of heart muscle sections
Matrix.pdMat

Assign Matrix to a pdMat or pdBlocked Object
MathAchSchool

School demographic data for MathAchieve
Machines

Productivity Scores for Machines and Workers
Gun

Methods for firing naval guns
Meat

Tenderness of meat
Nitrendipene

Assay of nitrendipene
Names.pdMat

Names of a pdMat Object
Names.reStruct

Names of an reStruct Object
Initialize.corStruct

Initialize corStruct Object
Initialize.glsStruct

Initialize a glsStruct Object
Names.pdBlocked

Names of a pdBlocked Object
MathAchieve

Mathematics achievement scores
Ovary

Counts of Ovarian Follicles
Milk

Protein content of cows' milk
Oats

Split-plot Experiment on Varieties of Oats
Matrix

Assign Matrix Values
Names.formula

Extract Names from a formula
Orthodont

Growth curve data on an orthdontic measurement
Rail

Evaluation of Stress in Railway Rails
Matrix.reStruct

Assign reStruct Matrices
Relaxin

Assay for Relaxin
Spruce

Growth of Spruce Trees
Soybean

Growth of soybean plants
Oxboys

Heights of Boys in Oxford
Remifentanil

Pharmacokinetics of Remifentanil
RatPupWeight

The weight of rat pups
PBG

Effect of Phenylbiguanide on Blood Pressure
Variogram.corSpatial

Calculate Semi-variogram for a corSpatial Object
Variogram.corExp

Calculate Semi-variogram for a corExp Object
Oxide

Variability in Semiconductor Manufacturing
Quinidine

Quinidine Kinetics
Pixel

X-ray pixel intensities over time
VarCorr

Extract variance and correlation components
as.matrix.corStruct

Matrix of a corStruct Object
Phenobarb

Phenobarbitol Kinetics
Variogram.corGaus

Calculate Semi-variogram for a corGaus Object
Tetracycline1

Pharmacokinetics of tetracycline
Wafer

Modeling of Analog MOS Circuits
Variogram.lme

Calculate Semi-variogram for Residuals from an lme Object
anova.lme

Compare Likelihoods of Fitted Objects
Wheat

Yields by growing conditions
Variogram.corSpher

Calculate Semi-variogram for a corSpher Object
Variogram.corRatio

Calculate Semi-variogram for a corRatio Object
Variogram.corLin

Calculate Semi-variogram for a corLin Object
bdf

Language scores
Variogram

Calculate Semi-variogram
Wheat2

Wheat Yield Trials
asOneFormula

Combine Formulas of a Set of Objects
Tetracycline2

Pharmacokinetics of tetracycline
balancedGrouped

Create a groupedData object from a matrix
allCoef

Extract Coefficients from a Set of Objects
anova.gls

Compare Likelihoods of Fitted Objects
as.matrix.pdMat

Matrix of a pdMat Object
augPred

Augmented Predictions
comparePred

Compare Predictions
corAR1

AR(1) Correlation Structure
coef.corStruct

Coefficients of a corStruct Object
collapse

Collapse According to Groups
coef.varFunc

varFunc Object Coefficients
coef.modelStruct

Extract modelStruct Object Coefficients
as.matrix.reStruct

Matrices of an reStruct Object
coef.lme

Extract lme Coefficients
Variogram.default

Calculate Semi-variogram
Variogram.gls

Calculate Semi-variogram for Residuals from a gls Object
corGaus

Gaussian Correlation Structure
corFactor.corStruct

Factor of a corStruct Object Matrix
asTable

Convert groupedData to a matrix
coef.pdMat

pdMat Object Coefficients
coef.reStruct

reStruct Object Coefficients
corFactor

Factor of a Correlation Matrix
corExp

Exponential Correlation Structure
collapse.groupedData

Collapse a groupedData Object
corLin

Linear Correlation Structure
corSymm

General Correlation Structure
corClasses

Correlation Structure Classes
corCompSymm

Compound Symmetry Correlation Structure
corSpher

Spherical Correlation Structure
corARMA

ARMA(p,q) Correlation Structure
fixef.lmList

Extract lmList Fixed Effects
fitted.lmeStruct

Calculate lmeStruct Fitted Values
corRatio

Rational Quadratic Correlation Structure
fitted.glsStruct

Calculate glsStruct Fitted Values
compareFits

Compare Fitted Objects
fdHess

Finite difference Hessian
corCAR1

Continuous AR(1) Correlation Structure
ergoStool

Ergometrics experiment with stool types
fitted.nlmeStruct

Calculate nlmeStruct Fitted Values
fitted.gnlsStruct

Calculate gnlsStruct Fitted Values
corSpatial

Spatial Correlation Structure
fixed.effects

Extract Fixed Effects
fitted.lmList

Extract lmList Fitted Values
coef.gnls

Extract gnls Coefficients
coef.lmList

Extract lmList Coefficients
corMatrix.reStruct

Extract Correlation Matrix from Components of an reStruct Object
fitted.lme

Extract lme Fitted Values
corMatrix.corStruct

Matrix of a corStruct Object
corMatrix.pdMat

Extract Correlation Matrix from a pdMat Object
corMatrix

Extract Correlation Matrix
getData

Extract Data from an Object
getCovariateFormula

Extract Covariates Formula
getCovariate.varFunc

Extract varFunc Covariate
getResponse

Extract Response Variable from an Object
getCovariate.corStruct

Extract corStruct Object Covariate
getGroupsFormula

Extract Grouping Formula
getCovariate

Extract Covariate from an Object
getGroups.data.frame

Extract Groups from a Data Frame
getCovariate.data.frame

Extract Data Frame Covariate
getGroups.corStruct

Extract corStruct Groups
gnls

Fit Nonlinear Model Using Generalized Least Squares
getGroups

Extract Grouping Factors from an Object
getData.lme

Extract lme Object Data
glsStruct

Generalized Least Squares Structure
gnlsObject

Fitted gnls Object
gnlsControl

Control Values for gnls Fit
formula.pdBlocked

Extract pdBlocked Formula
corNatural

General correlation in natural parameterization
getGroups.lme

Extract lme Object Groups
getGroups.varFunc

Extract varFunc Groups
formula.reStruct

Extract reStruct Object Formula
gapply

Apply a Function by Groups
formula.pdMat

Extract pdMat Formula
getGroups.lmList

Extract lmList Object Groups
getData.lmList

Extract lmList Object Data
getData.gls

Extract gls Object Data
getGroups.gls

Extract gls Object Groups
glsControl

Control Values for gls Fit
gsummary

Summarize by Groups
glsObject

Fitted gls Object
isInitialized

Check if Object is Initialized
logDet

Extract the Logarithm of the Determinant
lmList

List of lm Objects with a Common Model
lmeStruct

Linear Mixed-Effects Structure
intervals.lme

Confidence Intervals on lme Parameters
isBalanced

Check a Design for Balance
gnlsStruct

Generalized Nonlinear Least Squares Structure
logDet.pdMat

Extract Log-Determinant from a pdMat Object
logDet.corStruct

Extract corStruct Log-Determinant
gls

Fit Linear Model Using Generalized Least Squares
lmList.groupedData

lmList Fit from a groupedData Object
logLik.reStruct

Calculate reStruct Log-Likelihood
logLik.lme

Log-Likelihood of an lme Object
gls-internal

Auxiliary functions used by gls
logLik.varFunc

Extract varFunc logLik
groupedData

Construct a groupedData Object
intervals

Confidence Intervals on Coefficients
logLik.glsStruct

Log-Likelihood of a glsStruct Object
lme.groupedData

LME fit from groupedData Object
logDet.reStruct

Extract reStruct Log-Determinants
lme.lmList

LME fit from lmList Object
lme

Linear Mixed-Effects Models
logLik.gnls

Log-Likelihood of a gnls Object
lmeControl

Specifying Control Values for lme Fit
lmeObject

Fitted lme Object
nlme.nlsList

NLME fit from nlsList Object
nlmeObject

Fitted nlme Object
nlmeControl

Control Values for nlme Fit
nlmeStruct

Nonlinear Mixed-Effects Structure
logLik.corStruct

Extract corStruct Log-Likelihood
nlsList.selfStart

nlsList Fit from a selfStart Function
nlsList

List of nls Objects with a Common Model
pairs.compareFits

Pairs Plot of compareFits Object
pairs.lme

Pairs Plot of an lme Object
pdBlocked

Positive-Definite Block Diagonal Matrix
pairs.lmList

Pairs Plot of an lmList Object
pdCompSymm

Positive-Definite Matrix with Compound Symmetry Structure
pdClasses

Positive-Definite Matrix Classes
getVarCov

Extract variance-covariance matrix
intervals.gls

Confidence Intervals on gls Parameters
logLik.lmList

Log-Likelihood of an lmList Object
intervals.lmList

Confidence Intervals on lmList Coefficients
logLik.gnlsStruct

Log-Likelihood of a gnlsStruct Object
getResponseFormula

Extract Formula Specifying Response Variable
pdConstruct.pdBlocked

Construct pdBlocked Objects
pdConstruct

Construct pdMat Objects
needUpdate.modelStruct

Check if a modelStruct Object Needs Updating
nlme

Nonlinear Mixed-Effects Models
pdFactor

Square-Root Factor of a Positive-Definite Matrix
plot.ACF

Plot an ACF Object
pdSymm

General Positive-Definite Matrix
phenoModel

Model function for the Phenobarb data
pdDiag

Diagonal Positive-Definite Matrix
pdNatural

General Positive-Definite Matrix in Natural Parametrization
model.matrix.reStruct

reStruct Model Matrix
logLik.lmeStruct

Log-Likelihood of an lmeStruct Object
needUpdate

Check if Update is Needed
pdLogChol

General Positive-Definite Matrix
pdFactor.reStruct

Extract Square-Root Factor from Components of an reStruct Object
pdIdent

Multiple of the Identity Positive-Definite Matrix
pdMat

Positive-Definite Matrix
pdMatrix

Extract Matrix or Square-Root Factor from a pdMat Object
pdMatrix.reStruct

Extract Matrix or Square-Root Factor from Components of an reStruct Object
plot.compareFits

Plot a compareFits Object
plot.lme

Plot an lme or nls object
plot.intervals.lmList

Plot lmList Confidence Intervals
plot.lmList

Plot an lmList Object
plot.nffGroupedData

Plot an nffGroupedData Object
plot.Variogram

Plot a Variogram Object
plot.augPred

Plot an augPred Object
plot.gls

Plot a gls Object
print.summary.pdMat

Print a summary.pdMat Object
predict.gnls

Predictions from a gnls Object
plot.ranef.lmList

Plot a ranef.lmList Object
plot.nfnGroupedData

Plot an nfnGroupedData Object
plot.ranef.lme

Plot a ranef.lme Object
predict.lmList

Predictions from an lmList Object
plot.nmGroupedData

Plot an nmGroupedData Object
print.varFunc

Print a varFunc Object
predict.nlme

Predictions from an nlme Object
predict.lme

Predictions from an lme Object
quinModel

Model function for the Quinidine data
random.effects

Extract Random Effects
ranef.lmList

Extract lmList Random Effects
recalc.corStruct

Recalculate for corStruct Object
recalc

Recalculate Condensed Linear Model Object
reStruct

Random Effects Structure
recalc.modelStruct

Recalculate for a modelStruct Object
ranef.lme

Extract lme Random Effects
pooledSD

Extract Pooled Standard Deviation
predict.gls

Predictions from a gls Object
qqnorm.gls

Normal Plot of Residuals from a gls Object
qqnorm.lme

Normal Plot of Residuals or Random Effects from an lme Object
residuals.lme

Extract lme Residuals
residuals.lmList

Extract lmList Residuals
residuals.gnlsStruct

Calculate gnlsStruct Residuals
residuals.nlmeStruct

Calculate nlmeStruct Residuals
simulate.lme

Simulate Results from lme Models
residuals.glsStruct

Calculate glsStruct Residuals
recalc.reStruct

Recalculate for an reStruct Object
residuals.gls

Extract gls Residuals
recalc.varFunc

Recalculate for varFunc Object
residuals.lmeStruct

Calculate lmeStruct Residuals
summary.gls

Summarize a Generalized Least Squares gls Object
summary.lmList

Summarize an lmList Object
solve.reStruct

Apply Solve to an reStruct Object
summary.corStruct

Summarize a corStruct Object
splitFormula

Split a Formula
solve.pdMat

Calculate Inverse of a Positive-Definite Matrix
summary.nlsList

Summarize an nlsList Object
summary.modelStruct

Summarize a modelStruct Object
summary.lme

Summarize an lme Object
summary.pdMat

Summarize a pdMat Object
varFunc

Variance Function Structure
varFixed

Fixed Variance Function
update.modelStruct

Update a modelStruct Object
varConstProp

Constant Plus Proportion Variance Function
update.varFunc

Update varFunc Object
varClasses

Variance Function Classes
varExp

Exponential Variance Function
varComb

Combination of Variance Functions
varConstPower

Constant Plus Power Variance Function
summary.varFunc

Summarize "varFunc" Object
varWeights

Extract Variance Function Weights
varWeights.lmeStruct

Variance Weights for lmeStruct Object
varWeights.glsStruct

Variance Weights for glsStruct Object
varPower

Power Variance Function
varIdent

Constant Variance Function