Dear Yogesh,
Send us a minimal reproducive code, with a sample of your data structure.
It will help us to help you :-)
Best wishes,
miltinho astronauta
brazil
On Wed, Sep 24, 2008 at 2:00 AM, Yogesh Tiwari
<yogesh.mpi@googlemail.com>wrote:
> Hello R users,
>
> I have a montly time series over a several year period.
> It's easy to compute a monthly climatology (12 values), Now, I would
like
> to
> calculate the corresponding standard deviation, ie the 12 values
> calculated from the january values, february values, etc.
> What's the best way for such a calculation ?
> Regards,
> Yogesh
>
> --
> Yogesh K. Tiwari (Dr.rer.nat),
> Scientist,
> Indian Institute of Tropical Meteorology,
> Homi Bhabha Road,
> Pashan,
> Pune-411008
> INDIA
>
> Phone: 0091-99 2273 9513 (Cell)
> : 0091-20-258 93 600 (O) (Ext.250)
> Fax : 0091-20-258 93 825
>
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>
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> PLEASE do read the posting guide
>
http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html>
> and provide commented, minimal, self-contained, reproducible code.
>
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