????? ??????? 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