\name{getMemberEset}
\alias{getMemberEset}
%- Also NEED an '\alias' for EACH other topic documented here.
\title{Produce a sub ExpressionSet given a group and its members}
\description{
  From a group and its member name,  return an ExpressionSet containing just
  these members
}
\usage{
getMemberEset(eset, group, member)
}
%- maybe also 'usage' for other objects documented here.
\arguments{
  \item{eset}{an \code{ExpressionSet} object}
  \item{group}{the name of the group which must be in the experiment
	 design file}
  \item{member}{member name(s) in the above mentioned group}
}
\value{
  an \code{ExpressionSet} object
}
\author{Yongming Sun}
\examples{
%- eset.new <- getMemberEset(eset, "sampleGoup", c("liver", "muscle"))
}
\keyword{manip}% at least one, from doc/KEYWORDS