[BioC] How to obtain summarized data without normalization

James W. MacDonald jmacdon at med.umich.edu
Mon Dec 13 19:39:38 CET 2010


Hi AG,

On 12/10/2010 10:25 AM, Li, Aiguo (NIH/NCI) [E] wrote:
> Hi all,
>
> I want to get a probeset level data set without mas5 normalization and used the following script.  Could someone tell me this is right or not?
>

Yes.

Best,

Jim


> affydata<- ReadAffy()
> ExprNonorm<-mas5(affydata,normalize=F)
>
> Does these script do the background correction? Or only summarize the probeset level data?
>
> Thanks,
>
> AG
>
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-- 
James W. MacDonald, M.S.
Biostatistician
Douglas Lab
University of Michigan
Department of Human Genetics
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