Dear all,

Is it possible to analyze Affymetrix exon arrays with R/Bioconductor? I
tried to generate a cdf environment with makecdfenv (as suggested by James),
however the command never finished. The R process grows until it takes about
8 GB of RAM, then it is stuck.

I am grateful for any help or advice.

Best wishes,
Michael



On 11/23/05, James W. MacDonald <jmacdon@med.umich.edu> wrote:
>
> Natalia Becker wrote:
> > I have just started working with the GeneChip(r) Human Exon 1.0 ST Array
> (
> > v2 release version of the library files) from Affymetrix.

>
> >  Unfortunately the R package "affy" doesn't accept the .CLF and .PGF
> files.
> >
> > Could you send me the HuEx-1_0-st-v2.cdf file or show me the way how I
> can
> > create the CDF file by my own?
>
> You can use make.cdf.package() or make.cdf.env() in the makecdfenv
> package.
>
> Best,
> Jim
>

--
Dr. Michael Seewald
Bioinformatics
Bayer HealthCare AG

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