[R] use ts objects within the "seas" package for seasonal stats ; to compare years with each other for change detection

From: <Jan.Verbesselt_at_csiro.au>
Date: Thu, 21 Jun 2007 16:16:27 +1000

Hi all,  

Does anyone know how ts objects ts(base) can be used within the 'seas' package? I would like to obtain seasonal statistics of regular time-series and for example look at the result of the plot.seas.var() function or use the change function() to look at change between periods or time-series.  

The nottem time-series are similar to the time-series we are analyzing (but with data frequency=46 instead of 12 of the nottem dataset). We have year and day of year available but not the date (-> is there a function to derive a date format such as e.g. 01-01-2007 from day 1, year 2007?)  




I couldn't find anything about this on the R discussion - or www.  

Thanks and cheers,


Comp Specs are R 2.5, win XP.  

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