\name{fruitfly} \docType{data} \alias{fruitfly} \title{Drosophila microarray time course data in Tomancak et al. (2002)} \description{ This is a subset of the Drosophila microarray time course data in Tomancak et al. (2002). } \usage{data(fruitfly)} \format{A matrix of \eqn{log_2} gene expression values for 2000 probesets.} \source{ Tomancak et al. (2002) \emph{Systematic determination of patterns of gene expression during Drosophila embryogenesis.} Genome Biology 2002, 3:research0088.1-0088.14 \url{http://genomebiology.com/2002/3/12/research/0088.1} The complete dataset can be downloaded from the following website \url{http://www.fruitfly.org/cgi-bin/ex/insitu.pl} } \keyword{datasets}