[R] time series by calendar week

[Jeffrey J. Hallman]

Or look at the fame package, which has ti (TimeIndex) and tis
(TimeIndexedSeries) classes that handle this kind of problem.  I think it's
simpler and faster than the zoo stuff, but then I would say that, since I
wrote it.

Jeff

"stephen sefick" <ssefick at gmail.com> writes:
> 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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>
>
>
> -- 
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> feel like gods. We are mammals, and have not exhausted the annoying little
> problems of being mammals.
>
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>

-- 
Jeff