Sure, but it seems like the point of the time series class is so you don't
have to create a factor based on the period of sampling. Is there anyway of
imposing calculations like median on the time series class, or is Kjetil's
suggestion the only approach?
Thanks!
On Sun, Nov 1, 2009 at 4:09 PM, K
introduce a factor variable with the months and then use tapply?
Kjetil
On Sun, Nov 1, 2009 at 9:07 PM, Tim Bean wrote:
> Hello, I have a quick question about time series methodology. If I want to
> display a boxplot of time series data, sorted by period, I can type:
>
> boxplot(data ~ cycle(dat
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