[BioC] Combining HGU133A & HGU133B data

[w.huber at dkfz-heidelberg.de]

> In this case, the union of expression values is a straightforward 'rbind'
> as Wolfgang suggests. The probe business is slightly more tricjy because
> of the cdfenvs. The following scheme should make it (more or less I
> did not test it):

 ....(some code)...

But while software-technically possible, it may not be the best idea to
patch together the data on the probe (AffyBatch) level - the data from the
individual arrays will very likely need to be normalized by themselves.

Best regards
  Wolfgang