\name{VennDiagram}
\alias{VennDiagram}
\title{ Venn diagrams using two or three lists }
\description{
  Venn diagrams can be generated using probe sets ids or Entrez gene ids saved  in flat files.
}
\usage{
VennDiagram()
}
\details{
  The function asks to the user to select two/three files containing probe set ids or EGs separated by
  carriage return. Each file should contain only one column and no header. 
}
\author{ Raffaele A Calogero }
\keyword{ hplot }