Hi Valerie,
Unfortunately ReadAffy doesn't manage to load one file only.
I do manage to load all CEL files that are in the current location though.
Therefore I use:
data<-ReadAffy()
data@cdfName<-"cdfname"
eset<-rma(data)

I get most of my CDF files from Brainarray.
Thanks for your help,
Daniela



      
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