[R] Help with Affymetrix data

[Frank Duan]

use PM function in Affy package.

Frank


On Mon, 4 Oct 2004 16:48:12 -0400, kvyas <kvyas at utk.edu> wrote:
> I have CEL files from Affymetrix Mouse Array 430_2 and am trying to get the
> the individual PM intensities (11 per gene) for each sample. I would like to
> write out this into a tab delimited text file. Where am I stalling? This is
> what I've done:
> 
> Change dir(to where CEL files are saved)
> Data <- ReadAffy()
> eset <- rma(Data)
> write.exprs(eset, file="mydata.txt")
> 
> With this I am only able to get the average intensities per gene not the
> intensity per probe of each gene.
> 
> Please help me out.
> 
> Kanan
> 
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