Thanks Paul, I will try that package. best, Xiaowei On Tue, Dec 21, 2010 at 7:21 AM, Paul Geeleher <paulgeeleher@gmail.com>wrote: > If you're using affy arrays the different affy IDs correspond to > different splice variants. If you want to reorganise probes so that > there is one gene to one probe google "Brainarray" and that should > answer your question. > > Paul > > On Fri, Dec 17, 2010 at 10:21 PM, Xiaowei Guan <xxg39@case.edu> wrote: > > Dear Biodonductor group, > > > > I have a question relevant to gene expression dataset. Usually, we will > have > > probes, while a probe set will corresponding to one gene. What should we > do > > about this? > > > > Do we use probes as our targets or derive only one value from the probe > set > > corresponding to one gene? > > > > Do you know which R package will do this job? Thanks very much for your > > help. > > > > Have a wonderful weekend! > > > > best, > > Xiaowei > > > > [[alternative HTML version deleted]] > > > > _______________________________________________ > > Bioconductor mailing list > > Bioconductor@r-project.org > > https://stat.ethz.ch/mailman/listinfo/bioconductor > > Search the archives: > http://news.gmane.org/gmane.science.biology.informatics.conductor > > > > > > -- > Paul Geeleher > School of Mathematics, Statistics and Applied Mathematics > National University of Ireland > Galway > Ireland > -- > www.bioinformaticstutorials.com > [[alternative HTML version deleted]]