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There are some examples here:
library(zoo)
?aggregate.zoo
and also in
vignette("zoo")
On 4/19/07, Soare Marcian-Alin <soarealin at gmail.com>
wrote:> Hello Everybody,
>
> How can I filter a dataset?
>
> Im trying to filter the dataset EuStockMarkets monthly and quarter.
>
> data(EuStockMarkets)
> ftse = EuStockMarkets[,4]
>
> Alin
>
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>
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>>>>> "Soare" == Soare Marcian-Alin <soarealin at gmail.com> >>>>> on Fri, 20 Apr 2007 01:32:30 +0200 writes:Soare> Hello Everybody, Soare> How can I filter a dataset? Have you tried help(filter) ? filter() is a standard function and mentions others. Further note that statisticians often talk of "smoothing" when engineers talks of "filtering" Soare> Im trying to filter the dataset EuStockMarkets monthly and quarter. Soare> data(EuStockMarkets) Soare> ftse = EuStockMarkets[,4] Soare> Alin