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Hi James, You should be able to get what you need by exprs(A) which extracts the expression matrix from the exprSet object returned by justRMA. -Christos > -----Original Message----- > From: bioconductor-bounces at stat.math.ethz.ch > [mailto:bioconductor-bounces at stat.math.ethz.ch] On Behalf Of > James Anderson > Sent: Tuesday, January 15, 2008 10:43 PM > To: bioconductor > Subject: [BioC] silly question on how to get the expression value > > Dear list, > > I am using justRMA to process a bunch of cel files. I know > how to get the expression value by using write.exprs. > However, is there a way to get the expression matrix from R > without writing it into a txt file? > say if I have the following code: > > files = list.celfiles() > A = justRMA(filenames = files) > > What is the command to get the expression value of A without > writing it into a txt file? > > Thanks, > > James > > > > > > > > --------------------------------- > > [[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 > >