Hi, There is the RMAGEML package with which you can import/write MAGE-ML, but it only allows you to add MAGE-ML to existing MAGE-ML documents and not make new documents from scratch. Also this package is not capable yet to work well with affy data. The infrastructure to do this however is there but the package needs to be extended, if you feel like contributing in this .... best, Steffen Marcus Albrecht wrote: > Hello, > I'm new to the R/Bioconductor package so I will apologize in advance > for wasting your time by asking trivial questions. My basic question > is: is there a way to read affymetrix cel files (ReadAffy function?) > do some PM/MM correction (normalization with GCRS) and write the > output into a MAGE-ML (probably MAGEML package?) compatible format? I > would be very thankful, if you could assist me in this issue. > > Sincerely yours, > Marcus Albrecht >