\name{eSet1}
 \docType{data}
 \alias{eSet1}
 \title{A simulated expression set.}
 \description{
 This is a simulated expression set, where exprs(eSet1) = dat and pData(eSet1) = grp. 
 }
 \usage{eSet1}
 \format{Expression Set}
 \keyword{datasets}