[BioC] can't read any CEL files using ReadAffy

Rafael A. Irizarry ririzarr at jhsph.edu
Fri Jun 13 20:20:42 MEST 2003


what version of affy are you using? in the latest  released version
hgu95av2 is no longer included... the package should be automatically
downloaded and installed though. in any case follow the instructions given
by the error message and you should be fine.

On Fri, 13 Jun 2003, Huang, Mingqian  wrote:

> ReadAffy couldn't find any CDF file on my computer, even for HG_U95Av2 which is
> supposed to be included in the Affy package. I got the same error for all of
> them:
> 
> > Dilution
> AffyBatch object
> size of arrays=640x640 features (12805 kb)
> Error in .local(object, ...) : Information about probe locations for HG_U95Av2
> could not be found.
> Try downloading the hgu95av2cdf package from
> http://www.bioconductor.org/data/cdfenvs/cdfenvs.html
> Error in inherits(cdf.env, "try-error") : Object "cdf.env" not found
> 
> Has anybody had similar experience?
> 
> Mingqian Huang
> --
> Mingqian Huang, Ph.D. 
> Neurology Service 
> Massachusetts General Hospital 
> Wellman 425 
> 50 Fruit Street 
> Boston, MA 02114
> 
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> Bioconductor at stat.math.ethz.ch
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>



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