\name{ocPlotPCA}
\alias{ocPlotPCA}
\title{ Gene/Exon level density plots }
\description{
  This function runs a modified version of the plotPCA of the affycoretools to be used to
  check density distribution plots for gene and exon expression data.
}
\usage{
ocPlotPCA()
}
\author{ Raffaele A Calogero }
\seealso{ocPlotHist}
\keyword{ utilities }