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????? ??????? wrote: > Hello, all, > > I have a data from Affymetrix GeneChip Human Genome U133. Intensities from > Array Set HG-U133A and HG-U133B have a different distribution after > normalisation (rma algorithm). What should I do? How can I combine these > sets? > Assuming you are going to be doing a gene-by-gene analysis, then you can probably use the combine() function from the Biobase package. See the help for that command. Sean

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