\name{Colon} \alias{Colon} \alias{Colon.qPCRBatch} \docType{data} \title{ Data set of Andersen et al (2004) } \description{ This data set was used in Andersen et al (2004) to demonstrate normalization of real-time quantitative RT-PCR data by geometric averaging of housekeeping genes. } \usage{data(Colon)} \format{ A qPCRBatch object which contains an expression matrix with 40 observations on the following 13 variables \describe{ \item{\code{UBC}}{Ubiquitin C. } \item{\code{UBB}}{Ubiquitin B. } \item{\code{SUI1}}{Putative translation initiation factor. } \item{\code{NACA}}{Nascent-polypeptide-associated complex alpha polypeptide. } \item{\code{FLJ20030}}{Hypothetical protein FLJ20030. } \item{\code{CFL1}}{Cofilin 1 (non-muscle). } \item{\code{ACTB}}{Actin, beta. } \item{\code{CLTC}}{Clathrin, heavy polypeptide (Hc). } \item{\code{RPS13}}{Ribosomal protein S13. } \item{\code{RPS23}}{Ribosomal protein S23. } \item{\code{GAPD}}{Glyceraldehyde-3-phosphate dehydrogenase. } \item{\code{TPT1}}{Tumor protein, translationally controlled 1. } \item{\code{TUBA6}}{Tubulin alpha 6. } } It also contains a "group" column in the pData slot, which gives information on the different sample classes, necessary for the NormFinder algorithm } \details{ The genes included in this data set were selected by screening 161 colon sample expression profiles. } \source{ The data set was obtained from \url{http://www.mdl.dk/Publications_sup1.htm} } \references{ Claus Lindbjerg Andersen, Jens Ledet Jensen and Torben Falck Orntoft (2004). Normalization of Real-Time Quantitative Reverse Transcription-PCR Data: A Model-Based Variance Estimation Approach to Identify Genes Suited for Normalization, Applied to Bladder and Colon Cancer Data Sets. CANCER RESEARCH 64, 5245-5250, August 1, 2004. \url{http://cancerres.aacrjournals.org/cgi/content/full/64/15/5245} } \examples{ data(Colon) head(exprs(Colon.qPCRBatch)) pData(Colon.qPCRBatch) } \keyword{datasets}