[BioC] GEOquery: GDS2MA failure\

[Philipp Pagel]

On Thu, Jul 29, 2010 at 11:12:44AM -0400, Sean Davis wrote:
> 
> 
> On Thu, Jul 29, 2010 at 11:00 AM, Philipp Pagel <p.pagel at wzw.tum.de> wrote:
>     MA <- GDS2MA(dat,do.log2=T)
> 
> 
> GDS2MA is for converting a GDS object to an MAList.  It will not work for a GSE
> object, which is what you will get back from the getGEO() with GSEMatrix=FALSE.
>  
> 
> I would suggest doing using:
> 
> dat <- getGEO('GSE6794')
> 
> You will then have a list of two ExpressionSets (if there are two platforms in
> the GSE).  You can then use the convert package to convert each of those to an
> MAList.

Thanks! That is a good suggestion - I'll gothat route.

cu
	Philipp

-- 
Dr. Philipp Pagel
Lehrstuhl für Genomorientierte Bioinformatik
Technische Universität München
Wissenschaftszentrum Weihenstephan
Maximus-von-Imhof-Forum 3
85354 Freising, Germany
http://webclu.bio.wzw.tum.de/~pagel/