[R] ts and stl functions
Prof Brian Ripley
ripley at stats.ox.ac.uk
Wed Jul 12 16:41:15 CEST 2006
On Wed, 12 Jul 2006, Daniel sutcliffe wrote:
> I have imported a csv file into R which contains one column (the rate er 100,000 population of a disease, by month over 11 years) I coerced into a time series using the following function,
That's likely making a ts out of a data frame and not the one column of
the data frame. What does dim(tkr) say?
> This seems to work fine, and when I check for the class of the object using class(tstkr) I get "ts" as the response.
> When I try to use the stl function in stats I get the error message:
> Error in stl(tstkr)only univariate series are allowed
> I then tried this:
> tstkr <- ts(c(tkr), deltat=1/12)
> however this made no difference...I still get an error - does anybody know what is wrong?
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Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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