hello amrit,
    You can make Venn diagram in R using the function 'vennCounts' in the
"limma" package (for microarray data analysis).
   I haven't used the function so unable to give you any worked out example.
Nevertheless, if you are in a jiffy then you visit -
  http://bioinfogp.cnb.csic.es/tools/venny/index.html

Online venn diagram utility and works good. Since presently the gene list is
small, you can as well use this.


cheers..
amit

On Wed, Jul 15, 2009 at 9:56 AM, amrit karki <akarki001@yahoo.com> wrote:

> Dear Ting-Yuan
> Thank you so much for your help. I still have one
> more question for you. I am trying to construct venn diagram in
> r-programming but could not success. For example: i have 100 genes in
> set A only, 50 genes in set B only and there are 25 common genes in
> both set (in intersection). So, would you mind to suggest how it is
> possible to construct venn diagram in r-programming.
> Thank you.
> With best regards.
> Amrit Karki
>
>
>
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