On Tue, Nov 2, 2010 at 12:22 PM, Pradeep Battula <prabat@utu.fi> wrote:

> Hi,
>
> Can anyone help me by providing hints in writing a function that takes a
> list of entrez gene identifiers as an input(e.g. differentially expressed
> genes in a gene expression study)  and a list of background genes (e.g.
> entrez gene identifiers of all probed genes on the microarray) and performs
> a hypergeometric test for over representation against GO and KEGG.
>

Hi, Pradeep.

Have a look at the topGO package, for example.  There are several other
packages that are highly relevant.

Sean

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