This is very cool...thanks Hadley. When are you planning to release that
version?

On Thu, Apr 15, 2010 at 9:09 AM, hadley wickham <h.wickham@gmail.com> wrote:

> On Thu, Apr 15, 2010 at 1:16 AM, Chuck <vijay.nori@gmail.com> wrote:
> > Depending on the size of the dataframe and the operations you are
> > trying to perform, aggregate or ddply may be better.  In the function
> > below, df has the same structure as your dataframe.
>
> So there are some big speed improvements in the works.
>
> Hadley
>
>

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