[R] Conversion of Affy IDs , LocusLink IDs etc...

[Berton Gunter]

You may also be interested in the following, which point out potentially
severe problems with such metanalyses. 

http://www.cbs.dtu.dk/courses/norfa2004/Extras/5_1_Yves_TiG_meta-analysis_Ar
ticle.pdf

http://www.clinchem.org/cgi/content/full/47/8/1350

-- Bert Gunter
Genentech Non-Clinical Statistics
South San Francisco, CA
 
"The business of the statistician is to catalyze the scientific learning
process."  - George E. P. Box
 
 

> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch 
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Uwe Ligges
> Sent: Thursday, February 10, 2005 10:29 AM
> To: Pankaj Chopra
> Cc: r-help at stat.math.ethz.ch
> Subject: Re: [R] Conversion of Affy IDs , LocusLink IDs etc...
> 
> Pankaj Chopra wrote:
> 
> > Hi,
> > 
> > I was trying to compare differential expression data
> > from multiple studies ( 4 dataset downloaded from NCBI
> > GEO). The expression dataset are from Affy, as well as
> > cDNA (dual channel) platforms. Before I conduct
> > analysis, I have to map the gene IDs so that the
> > different genes are comparable.
> > 
> > Which packages, and what commands do I need for this?
> 
> 
> Take a look at the Bioconductor project:
> http://www.bioconductor.org/
> 
> Uwe Ligges
> 
> > thanks,
> > 
> > Pankaj
> > 
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