[BioC] Creating Custom CDF

James W. MacDonald jmacdon at med.umich.edu
Thu Jul 23 23:22:29 CEST 2009

Hi Naresh,

naresh kumar wrote:
> Dear mailing list,
> I created custom CDF using
> Source : 
> http://groups.google.com/group/aroma-affymetrix/web/creating-cdf-files-from-scratch
> But i got a problem with the created CDF.When trying to access new probesets through makecdfenv package
> the pm values are ok but mm values are returning as "NaN".
> Please give me some advice how to get mismatch values.

Assuming you are using either an Affymetrix Gene ST or Exon ST chip, 
there are no mm probes, so you can't get any mismatch values.



> Thanks for your help in advance
> Naresh
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James W. MacDonald, M.S.
Douglas Lab
University of Michigan
Department of Human Genetics
5912 Buhl
1241 E. Catherine St.
Ann Arbor MI 48109-5618

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