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nlme (version 3.1-153)

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

134,390

Version

3.1-153

License

GPL (>= 2) | file LICENCE

Last Published

September 7th, 2021

Functions in nlme (3.1-153)

Alfalfa

Split-Plot Experiment on Varieties of Alfalfa
Cefamandole

Pharmacokinetics of Cefamandole
ACF.gls

Autocorrelation Function for gls Residuals
Assay

Bioassay on Cell Culture Plate
ACF

Autocorrelation Function
Coef

Assign Values to Coefficients
Covariate

Assign Covariate Values
Covariate.varFunc

Assign varFunc Covariate
ACF.lme

Autocorrelation Function for lme Residuals
BodyWeight

Rat weight over time for different diets
[.pdMat

Subscript a pdMat Object
Glucose2

Glucose Levels Following Alcohol Ingestion
Initialize.lmeStruct

Initialize an lmeStruct Object
Initialize.corStruct

Initialize corStruct Object
Matrix.pdMat

Assign Matrix to a pdMat or pdBlocked Object
Initialize.reStruct

Initialize reStruct Object
Fatigue

Cracks caused by metal fatigue
Gasoline

Refinery yield of gasoline
Milk

Protein content of cows' milk
Gun

Methods for firing naval guns
Meat

Tenderness of meat
Glucose

Glucose levels over time
Matrix.reStruct

Assign reStruct Matrices
Initialize.glsStruct

Initialize a glsStruct Object
Oxide

Variability in Semiconductor Manufacturing
Oxboys

Heights of Boys in Oxford
Nitrendipene

Assay of nitrendipene
Dim

Extract Dimensions from an Object
Dialyzer

High-Flux Hemodialyzer
MathAchieve

Mathematics achievement scores
Rail

Evaluation of Stress in Railway Rails
Dim.pdMat

Dimensions of a pdMat Object
Oats

Split-plot Experiment on Varieties of Oats
Matrix

Assign Matrix Values
PBG

Effect of Phenylbiguanide on Blood Pressure
Phenobarb

Phenobarbitol Kinetics
Relaxin

Assay for Relaxin
Dim.corSpatial

Dimensions of a corSpatial Object
Names

Names Associated with an Object
Names.formula

Extract Names from a formula
Muscle

Contraction of heart muscle sections
Variogram.corSpatial

Calculate Semi-variogram for a corSpatial Object
Quinidine

Quinidine Kinetics
Names.pdBlocked

Names of a pdBlocked Object
Pixel

X-ray pixel intensities over time
LDEsysMat

Generate system matrix for LDEs
Orthodont

Growth curve data on an orthdontic measurement
Initialize.varFunc

Initialize varFunc Object
Earthquake

Earthquake Intensity
Ovary

Counts of Ovarian Follicles
Dim.corStruct

Dimensions of a corStruct Object
Variogram.corSpher

Calculate Semi-variogram for a corSpher Object
Spruce

Growth of Spruce Trees
Soybean

Growth of soybean plants
anova.lme

Compare Likelihoods of Fitted Objects
Wheat2

Wheat Yield Trials
Wheat

Yields by growing conditions
IGF

Radioimmunoassay of IGF-I Protein
RatPupWeight

The weight of rat pups
Initialize

Initialize Object
as.matrix.pdMat

Matrix of a pdMat Object
compareFits

Compare Fitted Objects
corLin

Linear Correlation Structure
as.matrix.reStruct

Matrices of an reStruct Object
Variogram.corExp

Calculate Semi-variogram for a corExp Object
collapse.groupedData

Collapse a groupedData Object
Remifentanil

Pharmacokinetics of Remifentanil
as.matrix.corStruct

Matrix of a corStruct Object
Variogram.corLin

Calculate Semi-variogram for a corLin Object
Variogram.corRatio

Calculate Semi-variogram for a corRatio Object
Names.reStruct

Names of an reStruct Object
MathAchSchool

School demographic data for MathAchieve
asOneFormula

Combine Formulas of a Set of Objects
Machines

Productivity Scores for Machines and Workers
asTable

Convert groupedData to a matrix
Names.pdMat

Names of a pdMat Object
Tetracycline2

Pharmacokinetics of tetracycline
Tetracycline1

Pharmacokinetics of tetracycline
corMatrix

Extract Correlation Matrix
fdHess

Finite difference Hessian
ergoStool

Ergometrics experiment with stool types
Wafer

Modeling of Analog MOS Circuits
Variogram.corGaus

Calculate Semi-variogram for a corGaus Object
allCoef

Extract Coefficients from a Set of Objects
Variogram.lme

Calculate Semi-variogram for Residuals from an lme Object
Variogram

Calculate Semi-variogram
VarCorr

Extract variance and correlation components
anova.gls

Compare Likelihoods of Fitted Objects
balancedGrouped

Create a groupedData object from a matrix
augPred

Augmented Predictions
corGaus

Gaussian Correlation Structure
formula.reStruct

Extract reStruct Object Formula
fixed.effects

Extract Fixed Effects
fixef.lmList

Extract lmList Fixed Effects
corFactor.corStruct

Factor of a corStruct Object Matrix
Variogram.gls

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

Calculate Semi-variogram
gapply

Apply a Function by Groups
getGroups.lme

Extract lme Object Groups
coef.lme

Extract lme Coefficients
corMatrix.reStruct

Extract Correlation Matrix from Components of an reStruct Object
collapse

Collapse According to Groups
coef.varFunc

varFunc Object Coefficients
getGroups.varFunc

Extract varFunc Groups
coef.lmList

Extract lmList Coefficients
coef.pdMat

pdMat Object Coefficients
coef.gnls

Extract gnls Coefficients
corNatural

General correlation in natural parameterization
coef.modelStruct

Extract modelStruct Object Coefficients
corARMA

ARMA(p,q) Correlation Structure
coef.reStruct

reStruct Object Coefficients
bdf

Language scores
fitted.gnlsStruct

Calculate gnlsStruct Fitted Values
getCovariateFormula

Extract Covariates Formula
fitted.glsStruct

Calculate glsStruct Fitted Values
corSpher

Spherical Correlation Structure
corCAR1

Continuous AR(1) Correlation Structure
fitted.nlmeStruct

Calculate nlmeStruct Fitted Values
corSymm

General Correlation Structure
fitted.lmeStruct

Calculate lmeStruct Fitted Values
getData.lmList

Extract lmList Object Data
getData.gls

Extract gls Object Data
corExp

Exponential Correlation Structure
glsStruct

Generalized Least Squares Structure
getGroups.data.frame

Extract Groups from a Data Frame
gnls

Fit Nonlinear Model Using Generalized Least Squares
getData

Extract Data from an Object
coef.corStruct

Coefficients of a corStruct Object
getGroups.corStruct

Extract corStruct Groups
gnlsStruct

Generalized Nonlinear Least Squares Structure
lme.lmList

LME fit from lmList Object
logLik.glsStruct

Log-Likelihood of a glsStruct Object
lme.groupedData

LME fit from groupedData Object
corClasses

Correlation Structure Classes
comparePred

Compare Predictions
logLik.gnls

Log-Likelihood of a gnls Object
corMatrix.pdMat

Extract Correlation Matrix from a pdMat Object
corMatrix.corStruct

Matrix of a corStruct Object
corAR1

AR(1) Correlation Structure
formula.pdMat

Extract pdMat Formula
getCovariate

Extract Covariate from an Object
formula.pdBlocked

Extract pdBlocked Formula
getCovariate.corStruct

Extract corStruct Object Covariate
corFactor

Factor of a Correlation Matrix
nlmeControl

Control Values for nlme Fit
nlme.nlsList

NLME fit from nlsList Object
pdClasses

Positive-Definite Matrix Classes
lmeStruct

Linear Mixed-Effects Structure
logLik.lmeStruct

Log-Likelihood of an lmeStruct Object
logLik.lme

Log-Likelihood of an lme Object
groupedData

Construct a groupedData Object
logDet

Extract the Logarithm of the Determinant
gnlsControl

Control Values for gnls Fit
pdCompSymm

Positive-Definite Matrix with Compound Symmetry Structure
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
gnlsObject

Fitted gnls Object
pairs.lmList

Pairs Plot of an lmList Object
pairs.compareFits

Pairs Plot of compareFits Object
getGroups.gls

Extract gls Object Groups
getGroups.lmList

Extract lmList Object Groups
plot.lmList

Plot an lmList Object
predict.lmList

Predictions from an lmList Object
plot.intervals.lmList

Plot lmList Confidence Intervals
predict.gnls

Predictions from a gnls Object
corCompSymm

Compound Symmetry Correlation Structure
getGroups

Extract Grouping Factors from an Object
getData.lme

Extract lme Object Data
pdLogChol

General Positive-Definite Matrix
corSpatial

Spatial Correlation Structure
corRatio

Rational Quadratic Correlation Structure
recalc

Recalculate Condensed Linear Model Object
reStruct

Random Effects Structure
fitted.lmList

Extract lmList Fitted Values
glsControl

Control Values for gls Fit
lmeControl

Specifying Control Values for lme Fit
intervals.lme

Confidence Intervals on lme Parameters
isBalanced

Check a Design for Balance
lmeObject

Fitted lme Object
logDet.reStruct

Extract reStruct Log-Determinants
logLik.corStruct

Extract corStruct Log-Likelihood
getResponseFormula

Extract Formula Specifying Response Variable
glsObject

Fitted gls Object
getCovariate.data.frame

Extract Data Frame Covariate
fitted.lme

Extract lme Fitted Values
plot.lme

Plot an lme or nls object
pdMat

Positive-Definite Matrix
plot.nffGroupedData

Plot an nffGroupedData Object
predict.lme

Predictions from an lme Object
intervals.gls

Confidence Intervals on gls Parameters
getVarCov

Extract variance-covariance matrix
predict.nlme

Predictions from an nlme Object
isInitialized

Check if Object is Initialized
getCovariate.varFunc

Extract varFunc Covariate
qqnorm.lme

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

Extract lme Residuals
qqnorm.gls

Normal Plot of Residuals from a gls Object
residuals.lmeStruct

Calculate lmeStruct Residuals
splitFormula

Split a Formula
getGroupsFormula

Extract Grouping Formula
intervals.lmList

Confidence Intervals on lmList Coefficients
summary.corStruct

Summarize a corStruct Object
lmList.groupedData

lmList Fit from a groupedData Object
lme

Linear Mixed-Effects Models
logLik.gnlsStruct

Log-Likelihood of a gnlsStruct Object
logLik.lmList

Log-Likelihood of an lmList Object
lmList

List of lm Objects with a Common Model
getResponse

Extract Response Variable from an Object
gls-internal

Auxiliary functions used by gls
update.varFunc

Update varFunc Object
logLik.varFunc

Extract varFunc logLik
logLik.reStruct

Calculate reStruct Log-Likelihood
recalc.reStruct

Recalculate for an reStruct Object
needUpdate.modelStruct

Check if a modelStruct Object Needs Updating
nlme

Nonlinear Mixed-Effects Models
gls

Fit Linear Model Using Generalized Least Squares
varIdent

Constant Variance Function
varClasses

Variance Function Classes
recalc.varFunc

Recalculate for varFunc Object
nlsList.selfStart

nlsList Fit from a selfStart Function
nlsList

List of nls Objects with a Common Model
pdConstruct

Construct pdMat Objects
varPower

Power Variance Function
model.matrix.reStruct

reStruct Model Matrix
needUpdate

Check if Update is Needed
pdDiag

Diagonal Positive-Definite Matrix
summary.pdMat

Summarize a pdMat Object
varComb

Combination of Variance Functions
summary.nlsList

Summarize an nlsList Object
logDet.pdMat

Extract Log-Determinant from a pdMat Object
intervals

Confidence Intervals on Coefficients
pdConstruct.pdBlocked

Construct pdBlocked Objects
gsummary

Summarize by Groups
phenoModel

Model function for the Phenobarb data
logDet.corStruct

Extract corStruct Log-Determinant
pdFactor

Square-Root Factor of a Positive-Definite Matrix
nlmeObject

Fitted nlme Object
ranef.lme

Extract lme Random Effects
ranef.lmList

Extract lmList Random Effects
pairs.lme

Pairs Plot of an lme Object
pdBlocked

Positive-Definite Block Diagonal Matrix
plot.ACF

Plot an ACF Object
plot.nfnGroupedData

Plot an nfnGroupedData Object
pdFactor.reStruct

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

Multiple of the Identity Positive-Definite Matrix
varConstPower

Constant Plus Power Variance Function
plot.compareFits

Plot a compareFits Object
nlmeStruct

Nonlinear Mixed-Effects Structure
pdNatural

General Positive-Definite Matrix in Natural Parametrization
residuals.gnlsStruct

Calculate gnlsStruct Residuals
residuals.lmList

Extract lmList Residuals
pdSymm

General Positive-Definite Matrix
plot.Variogram

Plot a Variogram Object
summary.modelStruct

Summarize a modelStruct Object
summary.lme

Summarize an lme Object
plot.nmGroupedData

Plot an nmGroupedData Object
plot.ranef.lmList

Plot a ranef.lmList Object
quinModel

Model function for the Quinidine data
plot.ranef.lme

Plot a ranef.lme Object
plot.augPred

Plot an augPred Object
pooledSD

Extract Pooled Standard Deviation
predict.gls

Predictions from a gls Object
recalc.corStruct

Recalculate for corStruct Object
varWeights.lmeStruct

Variance Weights for lmeStruct Object
recalc.modelStruct

Recalculate for a modelStruct Object
random.effects

Extract Random Effects
residuals.gls

Extract gls Residuals
simulate.lme

Simulate Results from lme Models
varFunc

Variance Function Structure
summary.lmList

Summarize an lmList Object
residuals.nlmeStruct

Calculate nlmeStruct Residuals
varConstProp

Constant Plus Proportion Variance Function
summary.gls

Summarize a Generalized Least Squares gls Object
varFixed

Fixed Variance Function
residuals.glsStruct

Calculate glsStruct Residuals
varExp

Exponential Variance Function
varWeights.glsStruct

Variance Weights for glsStruct Object
varWeights

Extract Variance Function Weights
plot.gls

Plot a gls Object
print.summary.pdMat

Print a summary.pdMat Object
print.varFunc

Print a varFunc Object
solve.pdMat

Calculate Inverse of a Positive-Definite Matrix
solve.reStruct

Apply Solve to an reStruct Object
summary.varFunc

Summarize "varFunc" Object
update.modelStruct

Update a modelStruct Object