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% $Id: nlmeStruct.Rd,v 1.5 2002/03/05 14:59:39 bates Exp $
\name{nlmeStruct}
\title{Nonlinear Mixed-Effects Structure}
\usage{
nlmeStruct(reStruct, corStruct, varStruct)
}
\alias{nlmeStruct}
\arguments{
\item{reStruct}{a \code{reStruct} representing a random effects
structure.}
\item{corStruct}{an optional \code{corStruct} object, representing a
correlation structure. Default is \code{NULL}.}
\item{varStruct}{an optional \code{varFunc} object, representing a
variance function structure. Default is \code{NULL}.}
}
\description{
A nonlinear mixed-effects structure is a list of model components
representing different sets of parameters in the nonlinear mixed-effects
model. An \code{nlmeStruct} list must contain at least a
\code{reStruct} object, but may also contain \code{corStruct} and
\code{varFunc} objects. \code{NULL} arguments are not included in the
\code{nlmeStruct} list.
}
\value{
a list of model components determining the parameters to be estimated
for the associated nonlinear mixed-effects model.
}
\author{Jose Pinheiro \email{Jose.Pinheiro@pharma.novartis.com} and Douglas Bates \email{bates@stat.wisc.edu}}
\seealso{
\code{\link{corClasses}},
\code{\link{nlme}},
\code{\link{residuals.nlmeStruct}},
\code{\link{reStruct}},
\code{\link{varFunc}} }
\examples{
nlms1 <- nlmeStruct(reStruct(~age), corAR1(), varPower())
}
\keyword{models}
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