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% File nlme/man/splitFormula.Rd
% Part of the nlme package for R
% Distributed under GPL 2 or later: see nlme/LICENCE
% $Id: splitFormula.Rd,v 1.6 2002/03/05 14:59:39 bates Exp $
\name{splitFormula}
\title{Split a Formula}
\usage{
splitFormula(form, sep)
}
\alias{splitFormula}
\arguments{
\item{form}{a \code{formula} object.}
\item{sep}{an optional character string specifying the separator to be
used for splitting the formula. Defaults to \code{"/"}. }
}
\description{
Splits the right hand side of \code{form} into a list of subformulas
according to the presence of \code{sep}. The left hand side of
\code{form}, if present, will be ignored. The length of the returned
list will be equal to the number of occurrences of \code{sep} in
\code{form} plus one.
}
\value{
a list of formulas, corresponding to the split of \code{form}
according to \code{sep}.
}
\author{Jose Pinheiro \email{Jose.Pinheiro@pharma.novartis.com} and Douglas Bates \email{bates@stat.wisc.edu}}
\seealso{\code{\link{formula}}}
\examples{
splitFormula(~ g1/g2/g3)
}
\keyword{models}
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