[BioC] is it possible to find sample batch # in CEL files?

Sean Davis sdavis2 at mail.nih.gov
Thu Jan 24 14:28:48 CET 2013


Not a direct answer, but you might look at the sva package which does
not rely on externally-defined batch effects.

Sean

On Thu, Jan 24, 2013 at 8:23 AM, Brian Tsai <btsai00 at gmail.com> wrote:
> Hi,
>
> I've been downloading raw CEL files from the gene expression omnibus, and
> have been trying to process them -- i'd like to account for batch effect
> when computing differential expression, but the authors didn't provide the
> information explicitly in their annotations. Is this information
> stored/retrievable through the CEL files through Bioconductor?
>
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