[R-SIG-Finance] rollapply over several columns

[Gabor Grothendieck]

On Thu, Sep 9, 2010 at 11:29 AM, Ulrich Staudinger
<ustaudinger at gmail.com> wrote:
> Yes,
> that's it indeed. I didn't read the documentation precisely enough and
> assumed it would be FALSE by default (which I find more intuitive).
> Cheers
>

The default is intended to be more like aggregate which also handles
one column at a time.


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