[R] Group by

[Henrique Dallazuanna]

tDates assumes DF$V1, which is from DF object.

On Thu, Mar 11, 2010 at 11:13 AM, ManInMoon <xmoon2000 at googlemail.com> wrote:
>
> Thank you
>
> In the "aggregate" how does it know which column to group?
>
> I know you give it tDates as the second argument, but it doesn't know that
> is from DF - we could have put anything there I think...
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-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O