[BioC] Finding Annotation of CEL file formats

[James W. MacDonald]

Hi Gundala,

Gundala Viswanath wrote:
> Dear all,
> 
> Given any CEL file, such as these:
> 
> http://bioinf.boku.ac.at/pub/Chaix2008/CEL/supplCELdata.zip
> 
> With BioConductor Is there a way we can find:
> 
> 1. Which organism they come from?

The only information you can glean from the celfile will be particular 
to the celfile itself. So you can determine that they are hgu133plus2 
chips, but I don't think you can determine the organism.

Of course you could just download the target description file and use that:

http://bioinf.boku.ac.at/pub/Chaix2008/target_info.txt

> 2. Which organism's tissue they come from?

Again, probably not.

> 3. What are the probe names/gene name involved?

The easiest way would be to use the hgu133plus2.db package.

Best,

Jim



> 
> I looked at "affy" package but I can't seem to find
> ways to get what I wanted above. But maybe I am wrong.
> 
> - Gundala Viswanath
> Jakarta - Indonesia
> 
> PS: Original URL for the data is this
> http://bioinf.boku.ac.at/pub/Chaix2008
> 
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-- 
James W. MacDonald, M.S.
Biostatistician
Hildebrandt Lab
8220D MSRB III
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