Hello,
  I got several .CEL files to do RMA using exonmap library below:
  > raw.data <- read.exon()
> raw.data@cdfName <- "exon.pmcdf"
> x.rma <- rma(raw.data)
> write.table(x.rma, file="x.csv", sep="\t")
   the file x.csv has 1,411,190 conlumns titles "x231501" "X2315102"....
  can you please tell me what the meaning of columns? are they
  expression levels for all probesets?
  how can i get RMA expression level for each probe?
   
   
  thanks
  Yuan
   
   

       
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