Hi, everybody! I'm in trouble with an R-script to get expression set. In my final excel-table I get for different probeset an for different samples the same value in an affymetrix experiment. My script use GCRMA and I have this problem on HGU133plus2 (31 cel files) and on Human Gene1.0 (30 .cel files). Is this an hardware problem (xp 64 bit 8 gb ram quadcore processor) thank you in advance FR ___________________________________________________ Francesco Romeo, Ph.D. student in Biotechnology University of Genoa - C.B.A. Biotechnology Advanced Center L.go Rosanna Benzi, 10 16132 Genoa, Italy tel: +39 010 5737 462/439 mobile: +39 3496744414 alt. e-mail: francesco.romeo@fastwebnet.it [[alternative HTML version deleted]]

You are going to need to give much more information than that if you expect to get any help. Please read the posting guide and then try again: http://www.bioconductor.org/docs/postingGuide.html Best, Jim Francesco Romeo wrote: > Hi, everybody! > I'm in trouble with an R-script to get expression set. > In my final excel-table I get for different probeset an for different samples the same value in an affymetrix experiment. > My script use GCRMA and I have this problem on HGU133plus2 (31 cel files) and on Human Gene1.0 (30 .cel files). > Is this an hardware problem (xp 64 bit 8 gb ram quadcore processor) > > thank you in advance > > FR > > > > > > > > > > > > > ___________________________________________________ > Francesco Romeo, Ph.D. student in Biotechnology > University of Genoa - C.B.A. Biotechnology Advanced Center > L.go Rosanna Benzi, 10 > 16132 Genoa, Italy > tel: +39 010 5737 462/439 > mobile: +39 3496744414 > alt. e-mail: francesco.romeo at fastwebnet.it > > [[alternative HTML version deleted]] > > _______________________________________________ > Bioconductor mailing list > Bioconductor at stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/bioconductor > Search the archives: http://news.gmane.org/gmane.science.biology.informatics.conductor -- James W. MacDonald, M.S. Biostatistician Hildebrandt Lab 8220D MSRB III 1150 W. Medical Center Drive Ann Arbor MI 48109-0646 734-936-8662