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Memon, Farhat N via methods%40net.bio.net (by fnmemo from essex.ac.uk)
Thu Jan 14 09:28:24 EST 2010


hI,

I am a new user of GCRMA package. I want to use GCRMA method to calculate expression values of some probeset for which I used the following code:

library(gcrma)
library(affy)
data=ReadAffy()
gcrma.set=gcrma(data)
gcrma.exp=exprs(gcrma.set)

According to my understand, this code will calculate the expression values of all the probesets. Now, I want to calculate the expression values of probesets excluding some of their probes.

If anyone can help

Regards



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