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nlme (version 3.1-151)

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

147,147

Version

3.1-151

License

GPL (>= 2) | file LICENCE

Last Published

December 10th, 2020

Functions in nlme (3.1-151)

Coef

Assign Values to Coefficients
ACF.gls

Autocorrelation Function for gls Residuals
ACF

Autocorrelation Function
Cefamandole

Pharmacokinetics of Cefamandole
Dialyzer

High-Flux Hemodialyzer
Covariate

Assign Covariate Values
Assay

Bioassay on Cell Culture Plate
Covariate.varFunc

Assign varFunc Covariate
Alfalfa

Split-Plot Experiment on Varieties of Alfalfa
ACF.lme

Autocorrelation Function for lme Residuals
BodyWeight

Rat weight over time for different diets
Dim

Extract Dimensions from an Object
LDEsysMat

Generate system matrix for LDEs
Initialize.varFunc

Initialize varFunc Object
Dim.pdMat

Dimensions of a pdMat Object
Gasoline

Refinery yield of gasoline
Glucose

Glucose levels over time
Oxide

Variability in Semiconductor Manufacturing
Remifentanil

Pharmacokinetics of Remifentanil
IGF

Radioimmunoassay of IGF-I Protein
Dim.corStruct

Dimensions of a corStruct Object
Relaxin

Assay for Relaxin
Dim.corSpatial

Dimensions of a corSpatial Object
Oxboys

Heights of Boys in Oxford
Variogram.corLin

Calculate Semi-variogram for a corLin Object
Initialize.lmeStruct

Initialize an lmeStruct Object
Variogram.corRatio

Calculate Semi-variogram for a corRatio Object
Initialize

Initialize Object
Matrix.pdMat

Assign Matrix to a pdMat or pdBlocked Object
Matrix.reStruct

Assign reStruct Matrices
Initialize.reStruct

Initialize reStruct Object
Milk

Protein content of cows' milk
Names.formula

Extract Names from a formula
Names.pdBlocked

Names of a pdBlocked Object
Meat

Tenderness of meat
Wheat

Yields by growing conditions
Earthquake

Earthquake Intensity
VarCorr

Extract variance and correlation components
RatPupWeight

The weight of rat pups
Rail

Evaluation of Stress in Railway Rails
balancedGrouped

Create a groupedData object from a matrix
PBG

Effect of Phenylbiguanide on Blood Pressure
Variogram

Calculate Semi-variogram
augPred

Augmented Predictions
Glucose2

Glucose Levels Following Alcohol Ingestion
Phenobarb

Phenobarbitol Kinetics
corARMA

ARMA(p,q) Correlation Structure
coef.gnls

Extract gnls Coefficients
corCAR1

Continuous AR(1) Correlation Structure
anova.lme

Compare Likelihoods of Fitted Objects
as.matrix.corStruct

Matrix of a corStruct Object
coef.lmList

Extract lmList Coefficients
Wheat2

Wheat Yield Trials
fitted.lmList

Extract lmList Fitted Values
MathAchSchool

School demographic data for MathAchieve
Initialize.corStruct

Initialize corStruct Object
fitted.lme

Extract lme Fitted Values
Fatigue

Cracks caused by metal fatigue
[.pdMat

Subscript a pdMat Object
Machines

Productivity Scores for Machines and Workers
Nitrendipene

Assay of nitrendipene
Initialize.glsStruct

Initialize a glsStruct Object
Gun

Methods for firing naval guns
logDet.corStruct

Extract corStruct Log-Determinant
compareFits

Compare Fitted Objects
collapse.groupedData

Collapse a groupedData Object
corLin

Linear Correlation Structure
Muscle

Contraction of heart muscle sections
corMatrix

Extract Correlation Matrix
Matrix

Assign Matrix Values
MathAchieve

Mathematics achievement scores
Orthodont

Growth curve data on an orthdontic measurement
Ovary

Counts of Ovarian Follicles
corMatrix.reStruct

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

Calculate gnlsStruct Fitted Values
corNatural

General correlation in natural parameterization
fitted.glsStruct

Calculate glsStruct Fitted Values
Variogram.corSpatial

Calculate Semi-variogram for a corSpatial Object
Variogram.corSpher

Calculate Semi-variogram for a corSpher Object
Oats

Split-plot Experiment on Varieties of Oats
allCoef

Extract Coefficients from a Set of Objects
Names.pdMat

Names of a pdMat Object
Names

Names Associated with an Object
Names.reStruct

Names of an reStruct Object
getCovariate.data.frame

Extract Data Frame Covariate
coef.varFunc

varFunc Object Coefficients
Soybean

Growth of soybean plants
logDet.pdMat

Extract Log-Determinant from a pdMat Object
corGaus

Gaussian Correlation Structure
corFactor.corStruct

Factor of a corStruct Object Matrix
Spruce

Growth of Spruce Trees
collapse

Collapse According to Groups
logLik.glsStruct

Log-Likelihood of a glsStruct Object
logLik.gnls

Log-Likelihood of a gnls Object
Variogram.corExp

Calculate Semi-variogram for a corExp Object
needUpdate.modelStruct

Check if a modelStruct Object Needs Updating
nlme

Nonlinear Mixed-Effects Models
Pixel

X-ray pixel intensities over time
getGroups

Extract Grouping Factors from an Object
getCovariate.varFunc

Extract varFunc Covariate
pdConstruct

Construct pdMat Objects
getData.lme

Extract lme Object Data
bdf

Language scores
Variogram.corGaus

Calculate Semi-variogram for a corGaus Object
anova.gls

Compare Likelihoods of Fitted Objects
corRatio

Rational Quadratic Correlation Structure
Variogram.default

Calculate Semi-variogram
Variogram.gls

Calculate Semi-variogram for Residuals from a gls Object
asOneFormula

Combine Formulas of a Set of Objects
comparePred

Compare Predictions
asTable

Convert groupedData to a matrix
corAR1

AR(1) Correlation Structure
coef.pdMat

pdMat Object Coefficients
corClasses

Correlation Structure Classes
Quinidine

Quinidine Kinetics
Tetracycline2

Pharmacokinetics of tetracycline
coef.corStruct

Coefficients of a corStruct Object
Tetracycline1

Pharmacokinetics of tetracycline
corSpatial

Spatial Correlation Structure
Variogram.lme

Calculate Semi-variogram for Residuals from an lme Object
pdNatural

General Positive-Definite Matrix in Natural Parametrization
corCompSymm

Compound Symmetry Correlation Structure
pdConstruct.pdBlocked

Construct pdBlocked Objects
ergoStool

Ergometrics experiment with stool types
getResponseFormula

Extract Formula Specifying Response Variable
plot.Variogram

Plot a Variogram Object
pdSymm

General Positive-Definite Matrix
plot.augPred

Plot an augPred Object
fitted.nlmeStruct

Calculate nlmeStruct Fitted Values
fitted.lmeStruct

Calculate lmeStruct Fitted Values
getVarCov

Extract variance-covariance matrix
Wafer

Modeling of Analog MOS Circuits
coef.reStruct

reStruct Object Coefficients
isBalanced

Check a Design for Balance
intervals.lme

Confidence Intervals on lme Parameters
corMatrix.corStruct

Matrix of a corStruct Object
getCovariateFormula

Extract Covariates Formula
fixed.effects

Extract Fixed Effects
fixef.lmList

Extract lmList Fixed Effects
corMatrix.pdMat

Extract Correlation Matrix from a pdMat Object
getData

Extract Data from an Object
getGroupsFormula

Extract Grouping Formula
getResponse

Extract Response Variable from an Object
gls

Fit Linear Model Using Generalized Least Squares
gls-internal

Auxiliary functions used by gls
as.matrix.pdMat

Matrix of a pdMat Object
intervals.gls

Confidence Intervals on gls Parameters
intervals.lmList

Confidence Intervals on lmList Coefficients
lme.groupedData

LME fit from groupedData Object
lme.lmList

LME fit from lmList Object
as.matrix.reStruct

Matrices of an reStruct Object
getGroups.gls

Extract gls Object Groups
getGroups.lmList

Extract lmList Object Groups
getCovariate.corStruct

Extract corStruct Object Covariate
getCovariate

Extract Covariate from an Object
ranef.lme

Extract lme Random Effects
ranef.lmList

Extract lmList Random Effects
fdHess

Finite difference Hessian
logLik.lme

Log-Likelihood of an lme Object
coef.modelStruct

Extract modelStruct Object Coefficients
coef.lme

Extract lme Coefficients
nlme.nlsList

NLME fit from nlsList Object
nlmeControl

Control Values for nlme Fit
logLik.lmeStruct

Log-Likelihood of an lmeStruct Object
corExp

Exponential Correlation Structure
pairs.lmList

Pairs Plot of an lmList Object
plot.ACF

Plot an ACF Object
pairs.compareFits

Pairs Plot of compareFits Object
phenoModel

Model function for the Phenobarb data
solve.reStruct

Apply Solve to an reStruct Object
lmeStruct

Linear Mixed-Effects Structure
varFixed

Fixed Variance Function
solve.pdMat

Calculate Inverse of a Positive-Definite Matrix
varFunc

Variance Function Structure
formula.reStruct

Extract reStruct Object Formula
plot.lme

Plot an lme or nls object
varWeights.lmeStruct

Variance Weights for lmeStruct Object
gnlsControl

Control Values for gnls Fit
gnlsObject

Fitted gnls Object
pdMat

Positive-Definite Matrix
pdLogChol

General Positive-Definite Matrix
logDet

Extract the Logarithm of the Determinant
pdCompSymm

Positive-Definite Matrix with Compound Symmetry Structure
gnlsStruct

Generalized Nonlinear Least Squares Structure
pdClasses

Positive-Definite Matrix Classes
plot.nfnGroupedData

Plot an nfnGroupedData Object
plot.nmGroupedData

Plot an nmGroupedData Object
print.summary.pdMat

Print a summary.pdMat Object
gapply

Apply a Function by Groups
corSpher

Spherical Correlation Structure
formula.pdBlocked

Extract pdBlocked Formula
corSymm

General Correlation Structure
formula.pdMat

Extract pdMat Formula
corFactor

Factor of a Correlation Matrix
getData.gls

Extract gls Object Data
getGroups.lme

Extract lme Object Groups
getGroups.corStruct

Extract corStruct Groups
getData.lmList

Extract lmList Object Data
print.varFunc

Print a varFunc Object
groupedData

Construct a groupedData Object
lmList.groupedData

lmList Fit from a groupedData Object
plot.nffGroupedData

Plot an nffGroupedData Object
recalc

Recalculate Condensed Linear Model Object
gnls

Fit Nonlinear Model Using Generalized Least Squares
lme

Linear Mixed-Effects Models
reStruct

Random Effects Structure
predict.gls

Predictions from a gls Object
glsStruct

Generalized Least Squares Structure
pooledSD

Extract Pooled Standard Deviation
residuals.nlmeStruct

Calculate nlmeStruct Residuals
getGroups.varFunc

Extract varFunc Groups
gsummary

Summarize by Groups
logLik.gnlsStruct

Log-Likelihood of a gnlsStruct Object
nlsList

List of nls Objects with a Common Model
logLik.lmList

Log-Likelihood of an lmList Object
residuals.lmList

Extract lmList Residuals
summary.lmList

Summarize an lmList Object
residuals.gnlsStruct

Calculate gnlsStruct Residuals
summary.gls

Summarize a Generalized Least Squares gls Object
varComb

Combination of Variance Functions
varConstPower

Constant Plus Power Variance Function
splitFormula

Split a Formula
simulate.lme

Simulate Results from lme Models
intervals

Confidence Intervals on Coefficients
summary.corStruct

Summarize a corStruct Object
lmeControl

Specifying Control Values for lme Fit
varPower

Power Variance Function
varIdent

Constant Variance Function
lmList

List of lm Objects with a Common Model
glsControl

Control Values for gls Fit
isInitialized

Check if Object is Initialized
glsObject

Fitted gls Object
getGroups.data.frame

Extract Groups from a Data Frame
nlsList.selfStart

nlsList Fit from a selfStart Function
lmeObject

Fitted lme Object
pairs.lme

Pairs Plot of an lme Object
logDet.reStruct

Extract reStruct Log-Determinants
nlmeObject

Fitted nlme Object
logLik.corStruct

Extract corStruct Log-Likelihood
pdBlocked

Positive-Definite Block Diagonal Matrix
nlmeStruct

Nonlinear Mixed-Effects Structure
needUpdate

Check if Update is Needed
pdFactor.reStruct

Extract Square-Root Factor from Components of an reStruct Object
model.matrix.reStruct

reStruct Model Matrix
logLik.varFunc

Extract varFunc logLik
logLik.reStruct

Calculate reStruct Log-Likelihood
plot.ranef.lmList

Plot a ranef.lmList Object
plot.intervals.lmList

Plot lmList Confidence Intervals
plot.lmList

Plot an lmList Object
pdIdent

Multiple of the Identity Positive-Definite Matrix
pdMatrix

Extract Matrix or Square-Root Factor from a pdMat Object
qqnorm.gls

Normal Plot of Residuals from a gls Object
plot.ranef.lme

Plot a ranef.lme Object
pdDiag

Diagonal Positive-Definite Matrix
residuals.glsStruct

Calculate glsStruct Residuals
residuals.gls

Extract gls Residuals
qqnorm.lme

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

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

Plot a gls Object
predict.lme

Predictions from an lme Object
plot.compareFits

Plot a compareFits Object
predict.nlme

Predictions from an nlme Object
pdFactor

Square-Root Factor of a Positive-Definite Matrix
summary.modelStruct

Summarize a modelStruct Object
summary.lme

Summarize an lme Object
varExp

Exponential Variance Function
varConstProp

Constant Plus Proportion Variance Function
quinModel

Model function for the Quinidine data
random.effects

Extract Random Effects
residuals.lme

Extract lme Residuals
recalc.reStruct

Recalculate for an reStruct Object
recalc.modelStruct

Recalculate for a modelStruct Object
recalc.corStruct

Recalculate for corStruct Object
summary.pdMat

Summarize a pdMat Object
predict.lmList

Predictions from an lmList Object
summary.nlsList

Summarize an nlsList Object
predict.gnls

Predictions from a gnls Object
recalc.varFunc

Recalculate for varFunc Object
residuals.lmeStruct

Calculate lmeStruct Residuals
summary.varFunc

Summarize "varFunc" Object
update.modelStruct

Update a modelStruct Object
varWeights.glsStruct

Variance Weights for glsStruct Object
varWeights

Extract Variance Function Weights
update.varFunc

Update varFunc Object
varClasses

Variance Function Classes