[BioC] AnnBuilder and GEO batch

[Sean Davis]

On 3/20/06 9:21 AM, "claudio.is at libero.it" <claudio.is at libero.it> wrote:

> Dear BioCs,
> 
> I need to download a complete set of experiments from GEO, with some hundred
> of single experiments. To import directly in R I want to use AnnBuilder, but I
> can only download one array per time. How can I download them in batch mode
> throught AnnBuilder?

Claudio,

You may want to look at using the GEOquery package.  If you have a GSE or
GDS accession, GEOquery will download all the associated information and
make R objects out of it.  The associated vignette shows how to convert
these objects to exprSets or limma MALists.

Sean