Re: [R] time series by calendar week

From: stephen sefick <ssefick_at_gmail.com>
Date: Tue, 08 Jul 2008 12:38:38 -0400

I don't know if this will help, but look at the zoo, chron, and Posix Date Time packages/classes.

On Tue, Jul 8, 2008 at 10:25 AM, collonil <manitz.juliane_at_web.de> wrote:

>
> hello,
>
> i cant find a solution on this (might be) easy problem:
>
> i have a time serie by carlandar weeks, so for every carlendar week i have
> a
> value. now i would like to use the functions for time series, so i change
> structur to a time serie with
>
> cam <- ts(number,start=c(2001,1),deltat=7/365)
> or
> cam <- ts(number,start=c(2001,1),frequency=52)
>
> the problem on it is, that 2004 had 53 calendar weeks, which is not
> recognized there.
> it follows with using a saisonal structure the weeks are shifting. f.e.
> first week in 2005 is conected with the second week in 2004.
> with the first function leap years are not recognized.
>
> is there another function which is recognizing irregularities in the
> calendar?
>
> thanks a lot, collonil
>
> --
> View this message in context:
> http://www.nabble.com/time-series-by-calendar-week-tp18340479p18340479.html
> Sent from the R help mailing list archive at Nabble.com.
>
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Received on Tue 08 Jul 2008 - 16:44:13 GMT

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