[R] aggregating data with Zoo

[Gabor Grothendieck]

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On 3/28/07, Alfonso Sammassimo <cincinattikid at bigpond.com> wrote:
> Is there a way of aggregating 'zoo' daily data according to day of week? eg
> all Thursdays
>
> I came across the 'nextfri' function in the documentation but am unsure how
> to change this so any day of week can be aggregated.
>
> I have used POSIX to arrange the data (not as 'zoo' series) according to day
> of week, but am curious if I've missed if a similar option available with
> zoo.
>
> Thank you for any help,
>
> Alf Sammassimo
> Melbourne, Australia
>
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