[BioC] affy-chp file format

[Kasper Daniel Hansen]

On Feb 20, 2008, at 1:15 PM, Bernd Jagla wrote:

> Hi,
>
>
>
> I would like to write out data in the Affy CHP file format. Which  
> function
> within Bioconductor/R that could do this, or do you have any other
> suggestion on how to generate such files?

There are - to my knowledge - no tools in R/BioC for this. The  
natural place for such a function would be affxparser, but we have  
not yet done anything with CHP files. One of the reasons being that I  
have not heard any use cases for this (until now). And your use case  
is rather special - if I understand it correctly you want to produce  
fake CHP files to generate test data for a separate application  
(which I guess have nothing to do with R/BioC).

The relevant thing to do would be to dig into Affymetrix file parsing  
SDK. Good luck, when I last looked, it seemed as if CHP files were a  
bit of a mess.

Kasper

>
> I want to create defined test cases for the software we are  
> developing.
>
>
>
> Thanks
>
>
>
> Bernd
>
>
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>
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