[BioC] ExpressionSet without normalization

Juan Carlos Oliveros oliveros at cnb.csic.es
Thu Jul 7 10:26:51 CEST 2011


the "rma" function of the "affy" package can be applied without 
normalizing the data. Use the option "normalize=FALSE". The same apply 
for the background correction ("background=FALSE")

For more details check the function with, "?rma" in the R console.


Juan Carlos

On 07/07/2011 08:52 AM, Assa Yeroslaviz wrote:
> Hi,
> is there a way of summarizing the probes from one probe-set in an affybatch
> without normalizing the data.
> I mean like doing RMA, but without the quntile part or back ground
> correction?
> Thanks
> Assa
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