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nlme (version 3.1-141)

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

85,005

Version

3.1-141

License

GPL (>= 2) | file LICENCE

Maintainer

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

Last Published

August 1st, 2019

Functions in nlme (3.1-141)

Coef

Assign Values to Coefficients
Covariate.varFunc

Assign varFunc Covariate
BodyWeight

Rat weight over time for different diets
ACF.gls

Autocorrelation Function for gls Residuals
Cefamandole

Pharmacokinetics of Cefamandole
Assay

Bioassay on Cell Culture Plate
Covariate

Assign Covariate Values
ACF

Autocorrelation Function
ACF.lme

Autocorrelation Function for lme Residuals
Alfalfa

Split-Plot Experiment on Varieties of Alfalfa
Dialyzer

High-Flux Hemodialyzer
Names

Names Associated with an Object
Initialize

Initialize Object
Muscle

Contraction of heart muscle sections
IGF

Radioimmunoassay of IGF-I Protein
Dim

Extract Dimensions from an Object
Gun

Methods for firing naval guns
Milk

Protein content of cows' milk
Meat

Tenderness of meat
Glucose2

Glucose Levels Following Alcohol Ingestion
[.pdMat

Subscript a pdMat Object
Oxboys

Heights of Boys in Oxford
Gasoline

Refinery yield of gasoline
Glucose

Glucose levels over time
Initialize.lmeStruct

Initialize an lmeStruct Object
Dim.corSpatial

Dimensions of a corSpatial Object
Variogram.corGaus

Calculate Semi-variogram for a corGaus Object
Relaxin

Assay for Relaxin
Variogram.corExp

Calculate Semi-variogram for a corExp Object
Dim.corStruct

Dimensions of a corStruct Object
Remifentanil

Pharmacokinetics of remifentanil
Oxide

Variability in Semiconductor Manufacturing
allCoef

Extract Coefficients from a Set of Objects
RatPupWeight

The weight of rat pups
anova.gls

Compare Likelihoods of Fitted Objects
Rail

Evaluation of Stress in Railway Rails
Initialize.reStruct

Initialize reStruct Object
Names.pdBlocked

Names of a pdBlocked Object
Matrix

Assign Matrix Values
MathAchieve

Mathematics achievement scores
Names.formula

Extract Names from a formula
PBG

Effect of Phenylbiguanide on Blood Pressure
Phenobarb

Phenobarbitol Kinetics
as.matrix.corStruct

Matrix of a corStruct Object
coef.varFunc

varFunc Object Coefficients
anova.lme

Compare Likelihoods of Fitted Objects
collapse

Collapse According to Groups
Initialize.varFunc

Initialize varFunc Object
Machines

Productivity Scores for Machines and Workers
Fatigue

Cracks caused by metal fatigue
LDEsysMat

Generate system matrix for LDEs
Names.pdMat

Names of a pdMat Object
Names.reStruct

Names of an reStruct Object
Initialize.glsStruct

Initialize a glsStruct Object
Earthquake

Earthquake Intensity
Dim.pdMat

Dimensions of a pdMat Object
Initialize.corStruct

Initialize corStruct Object
Matrix.pdMat

Assign Matrix to a pdMat or pdBlocked Object
Oats

Split-plot Experiment on Varieties of Oats
Nitrendipene

Assay of nitrendipene
Matrix.reStruct

Assign reStruct Matrices
corARMA

ARMA(p,q) Correlation Structure
corCAR1

Continuous AR(1) Correlation Structure
MathAchSchool

School demographic data for MathAchieve
VarCorr

Extract variance and correlation components
Pixel

X-ray pixel intensities over time
Variogram.lme

Calculate Semi-variogram for Residuals from an lme Object
Variogram

Calculate Semi-variogram
Variogram.corRatio

Calculate Semi-variogram for a corRatio Object
bdf

Language scores
Variogram.gls

Calculate Semi-variogram for Residuals from a gls Object
Variogram.corLin

Calculate Semi-variogram for a corLin Object
Variogram.default

Calculate Semi-variogram
ergoStool

Ergometrics experiment with stool types
coef.corStruct

Coefficients of a corStruct Object
coef.gnls

Extract gnls Coefficients
Wafer

Modeling of Analog MOS Circuits
fdHess

Finite difference Hessian
Ovary

Counts of Ovarian Follicles
Orthodont

Growth curve data on an orthdontic measurement
comparePred

Compare Predictions
corExp

Exponential Correlation Structure
corAR1

AR(1) Correlation Structure
corFactor

Factor of a Correlation Matrix
corSpher

Spherical Correlation Structure
Quinidine

Quinidine Kinetics
fitted.lme

Extract lme Fitted Values
fitted.lmList

Extract lmList Fitted Values
formula.reStruct

Extract reStruct Object Formula
as.matrix.pdMat

Matrix of a pdMat Object
corSymm

General Correlation Structure
Soybean

Growth of soybean plants
collapse.groupedData

Collapse a groupedData Object
as.matrix.reStruct

Matrices of an reStruct Object
Spruce

Growth of Spruce Trees
Variogram.corSpatial

Calculate Semi-variogram for a corSpatial Object
corMatrix.reStruct

Extract Correlation Matrix from Components of an reStruct Object
compareFits

Compare Fitted Objects
gapply

Apply a Function by Groups
formula.pdMat

Extract pdMat Formula
formula.pdBlocked

Extract pdBlocked Formula
corNatural

General correlation in natural parameterization
Tetracycline2

Pharmacokinetics of tetracycline
Tetracycline1

Pharmacokinetics of tetracycline
getCovariate

Extract Covariate from an Object
corMatrix.corStruct

Matrix of a corStruct Object
corFactor.corStruct

Factor of a corStruct Object Matrix
corGaus

Gaussian Correlation Structure
coef.lmList

Extract lmList Coefficients
corMatrix.pdMat

Extract Correlation Matrix from a pdMat Object
fixef.lmList

Extract lmList Fixed Effects
getCovariate.data.frame

Extract Data Frame Covariate
fixed.effects

Extract Fixed Effects
Variogram.corSpher

Calculate Semi-variogram for a corSpher Object
getCovariate.varFunc

Extract varFunc Covariate
getData.gls

Extract gls Object Data
glsControl

Control Values for gls Fit
getCovariate.corStruct

Extract corStruct Object Covariate
getData.lmList

Extract lmList Object Data
getGroups.lme

Extract lme Object Groups
getGroups.varFunc

Extract varFunc Groups
getResponseFormula

Extract Formula Specifying Response Variable
lmeControl

Specifying Control Values for lme Fit
getData.lme

Extract lme Object Data
lmeObject

Fitted lme Object
intervals

Confidence Intervals on Coefficients
getGroups

Extract Grouping Factors from an Object
getVarCov

Extract variance-covariance matrix
gsummary

Summarize by Groups
getGroupsFormula

Extract Grouping Formula
Wheat

Yields by growing conditions
Wheat2

Wheat Yield Trials
coef.modelStruct

Extract modelStruct Object Coefficients
balancedGrouped

Create a groupedData object from a matrix
corCompSymm

Compound Symmetry Correlation Structure
fitted.lmeStruct

Calculate lmeStruct Fitted Values
coef.lme

Extract lme Coefficients
corClasses

Correlation Structure Classes
augPred

Augmented Predictions
glsStruct

Generalized Least Squares Structure
gnls

Fit Nonlinear Model Using Generalized Least Squares
logLik.glsStruct

Log-Likelihood of a glsStruct Object
getResponse

Extract Response Variable from an Object
asTable

Convert groupedData to a matrix
asOneFormula

Combine Formulas of a Set of Objects
gnlsControl

Control Values for gnls Fit
gnlsStruct

Generalized Nonlinear Least Squares Structure
gnlsObject

Fitted gnls Object
groupedData

Construct a groupedData Object
intervals.gls

Confidence Intervals on gls Parameters
intervals.lmList

Confidence Intervals on lmList Coefficients
glsObject

Fitted gls Object
lme.groupedData

LME fit from groupedData Object
corMatrix

Extract Correlation Matrix
coef.reStruct

reStruct Object Coefficients
corSpatial

Spatial Correlation Structure
corLin

Linear Correlation Structure
corRatio

Rational Quadratic Correlation Structure
coef.pdMat

pdMat Object Coefficients
lmeStruct

Linear Mixed-Effects Structure
model.matrix.reStruct

reStruct Model Matrix
logDet

Extract the Logarithm of the Determinant
fitted.glsStruct

Calculate glsStruct Fitted Values
logLik.gnls

Log-Likelihood of a gnls Object
logLik.gnlsStruct

Log-Likelihood of a gnlsStruct Object
lme.lmList

LME fit from lmList Object
nlme.nlsList

NLME fit from nlsList Object
logLik.lmList

Log-Likelihood of an lmList Object
fitted.gnlsStruct

Calculate gnlsStruct Fitted Values
getGroups.lmList

Extract lmList Object Groups
gls

Fit Linear Model Using Generalized Least Squares
getGroups.gls

Extract gls Object Groups
gls-internal

Auxiliary functions used by gls
isInitialized

Check if Object is Initialized
needUpdate

Check if Update is Needed
getCovariateFormula

Extract Covariates Formula
fitted.nlmeStruct

Calculate nlmeStruct Fitted Values
getData

Extract Data from an Object
getGroups.corStruct

Extract corStruct Groups
lmList

List of lm Objects with a Common Model
logLik.reStruct

Calculate reStruct Log-Likelihood
nlmeObject

Fitted nlme Object
nlmeStruct

Nonlinear Mixed-Effects Structure
pdFactor.reStruct

Extract Square-Root Factor from Components of an reStruct Object
logDet.pdMat

Extract Log-Determinant from a pdMat Object
logDet.corStruct

Extract corStruct Log-Determinant
logLik.lme

Log-Likelihood of an lme Object
pairs.compareFits

Pairs Plot of compareFits Object
logLik.lmeStruct

Log-Likelihood of an lmeStruct Object
logLik.varFunc

Extract varFunc logLik
nlsList

List of nls Objects with a Common Model
nlsList.selfStart

nlsList Fit from a selfStart Function
plot.lme

Plot an lme or nls object
predict.gnls

Predictions from a gnls Object
pairs.lmList

Pairs Plot of an lmList Object
plot.nffGroupedData

Plot an nffGroupedData Object
pdClasses

Positive-Definite Matrix Classes
plot.Variogram

Plot a Variogram Object
plot.augPred

Plot an augPred Object
pdIdent

Multiple of the Identity Positive-Definite Matrix
nlmeControl

Control Values for nlme Fit
pdConstruct

Construct pdMat Objects
isBalanced

Check a Design for Balance
intervals.lme

Confidence Intervals on lme Parameters
getGroups.data.frame

Extract Groups from a Data Frame
lmList.groupedData

lmList Fit from a groupedData Object
lme

Linear Mixed-Effects Models
predict.lmList

Predictions from an lmList Object
pdCompSymm

Positive-Definite Matrix with Compound Symmetry Structure
ranef.lmList

Extract lmList Random Effects
pdConstruct.pdBlocked

Construct pdBlocked Objects
phenoModel

Model function for the Phenobarb data
plot.lmList

Plot an lmList Object
pdFactor

Square-Root Factor of a Positive-Definite Matrix
pdSymm

General Positive-Definite Matrix
plot.intervals.lmList

Plot lmList Confidence Intervals
pdNatural

General Positive-Definite Matrix in Natural Parametrization
pdDiag

Diagonal Positive-Definite Matrix
plot.ACF

Plot an ACF Object
plot.nfnGroupedData

Plot an nfnGroupedData Object
pdMatrix

Extract Matrix or Square-Root Factor from a pdMat Object
predict.lme

Predictions from an lme Object
predict.nlme

Predictions from an nlme Object
summary.varFunc

Summarize varFunc Object
residuals.lme

Extract lme Residuals
solve.pdMat

Calculate Inverse of a Positive-Definite Matrix
varWeights.glsStruct

Variance Weights for glsStruct Object
solve.reStruct

Apply Solve to an reStruct Object
varWeights.lmeStruct

Variance Weights for lmeStruct Object
update.modelStruct

Update a modelStruct Object
residuals.lmeStruct

Calculate lmeStruct Residuals
ranef.lme

Extract lme Random Effects
pdMatrix.reStruct

Extract Matrix or Square-Root Factor from Components of an reStruct Object
residuals.nlmeStruct

Calculate nlmeStruct Residuals
logLik.corStruct

Extract corStruct Log-Likelihood
logDet.reStruct

Extract reStruct Log-Determinants
simulate.lme

Simulate Results from lme Models
varClasses

Variance Function Classes
summary.lmList

Summarize an lmList Object
update.varFunc

Update varFunc Object
summary.gls

Summarize a Generalized Least Squares gls Object
plot.ranef.lmList

Plot a ranef.lmList Object
pooledSD

Extract Pooled Standard Deviation
nlme

Nonlinear Mixed-Effects Models
pairs.lme

Pairs Plot of an lme Object
needUpdate.modelStruct

Check if a modelStruct Object Needs Updating
quinModel

Model function for the Quinidine data
summary.lme

Summarize an lme Object
residuals.gls

Extract gls Residuals
plot.ranef.lme

Plot a ranef.lme Object
random.effects

Extract Random Effects
residuals.glsStruct

Calculate glsStruct Residuals
summary.modelStruct

Summarize a modelStruct Object
pdBlocked

Positive-Definite Block Diagonal Matrix
pdMat

Positive-Definite Matrix
pdLogChol

General Positive-Definite Matrix
plot.compareFits

Plot a compareFits Object
plot.gls

Plot a gls Object
predict.gls

Predictions from a gls Object
reStruct

Random Effects Structure
print.summary.pdMat

Print a summary.pdMat Object
plot.nmGroupedData

Plot an nmGroupedData Object
print.varFunc

Print a varFunc Object
residuals.gnlsStruct

Calculate gnlsStruct Residuals
recalc

Recalculate Condensed Linear Model Object
residuals.lmList

Extract lmList Residuals
recalc.corStruct

Recalculate for corStruct Object
recalc.modelStruct

Recalculate for a modelStruct Object
recalc.reStruct

Recalculate for an reStruct Object
summary.nlsList

Summarize an nlsList Object
qqnorm.gls

Normal Plot of Residuals from a gls Object
varFunc

Variance Function Structure
varPower

Power Variance Function
varWeights

Extract Variance Function Weights
varIdent

Constant Variance Function
splitFormula

Split a Formula
recalc.varFunc

Recalculate for varFunc Object
summary.corStruct

Summarize a corStruct Object
qqnorm.lme

Normal Plot of Residuals or Random Effects from an lme Object
varComb

Combination of Variance Functions
varConstPower

Constant Plus Power Variance Function
varFixed

Fixed Variance Function
varExp

Exponential Variance Function
summary.pdMat

Summarize a pdMat Object