\name{geneID2geneName}
\alias{geneID2geneName}
\title{convert gene IDs to gene Names}
\usage{geneID2geneName(geneID.list, organism)}
\description{convert a list of gene IDs to gene Names.}
\value{a list of gene names.}
\author{Guangchuang Yu \url{http://ygc.name}}
\arguments{\item{geneID.list}{a list of gene IDs}
\item{organism}{one of human, mouse and yeast.}}