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Hi Andre, Currently read.Galfile uses "ID" as the unique rownames. We assume that ID contains information such as probe ID whereas the column "Names" can contain duplicate gene names. However, I don't think that should stop you from reading in the gpr file. If you have those two columns swap in your gal file you might want to try: Try read.Galfile("XXXX", info.id = c("Name", "ID"), labels = "Name") where XXX is the name of any of your gpr file or your gal file. In addition, Can you send me off-list the output for pigTargets. Cheers Jean On Mon, 26 Jun 2006, Andre wrote: > Hello, > > I am new to the marray package and I am using it to read .GPR files. Here is > the sequence of commands that I entered and the resulting error: >> library(marray) > Loading required package: limma >> datadir <- "P:/Manually flagged" >> pigTargets <- read.marrayInfo(file.path(datadir, "JG2.7 target file.txt")) >> mraw <- read.GenePix(targets=pigTargets, path = datadir) > Error in "row.names<-.data.frame"(`*tmp*`, value = c("1", "1", "1", "1", : > duplicate 'row.names' are not allowed >> > > Our microarray data includes duplicated genes and therefore, duplicated gene > names and this could be what is causing the error. Is there anyway to > bypass/fix this? > Thanks for your help. > > Andre > > [[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 >