[BioC] how to remove affymetrix control probe sets from a an expression set

[Yuan Hao]

You can check out the genefilter package

http://www.bioconductor.org/packages/release/bioc/html/genefilter.html

Cheers,
Yuan

On 18 Feb 2012, at 09:33, Salwa Eid wrote:

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> Dear all,   I read cel files from ncbi website using the  
> readaffy().  Then i performed the expresso function to normalize  
> using quantile normalization and retrieve rma expressions.  Next I  
> want to remove the affymetrix control probe sets from these  
> expressions.  Any help? Thanks,salwa 		 	   		
> 	[[alternative HTML version deleted]]
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