[BioC] how to read in affy snp 500K arrays

[Benilton Carvalho]

check the oligo package, but you also need to download the data  
packages for the arrays you're using:

pd.mapping250k.sty
pd.mapping250k.nsp

b

On Nov 8, 2007, at 9:34 PM, affy snp wrote:

> Dear list,
>
> I am analyzing a bag of Affy SNP 500K arrays and would like to
> know which package can be used to read in the raw .CEL files
> and get the intensity values. In other words, I am looking for
> the function like:
>
> library(affy)
> mydata <- ReadAffy()
> eset_rma <- rma(mydata)
>
> provided by affy package to analyze affy gene expression data.
>
> Thank you very much!
>
> Sincerely,
>       Allen
>
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