[R] Question on AffyBatch

James W. MacDonald jmacdon at med.umich.edu
Wed Sep 6 15:34:16 CEST 2006

Hi Gunther,

Gunther Höning wrote:
> Dear list,
> I'm trying to find out the following in an AffyBatch.

This question is related specifically to a Bioconductor package, so 
should be asked on the bioconductor listserv rather than R-help.



> To get the indices from a loction on a chip I use the function xy2i() for
> the hgu133plus2 by Affymetrix.
> But now I want to know the name of the probe located at this spot. How can
> this be done?
> And what about the locations used as QC?
> Gunther
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James W. MacDonald, M.S.
Affymetrix and cDNA Microarray Core
University of Michigan Cancer Center
1500 E. Medical Center Drive
7410 CCGC
Ann Arbor MI 48109

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