I am sorry but I looked at ?lm and could not see any guidance on writting a formula. If I have two arrays or a data set then I know how to do that (y ~ x) but for a time series I am not sure how to write y or x.
Thank you. Kevin ---- Gabor Grothendieck <[EMAIL PROTECTED]> wrote: > The Time Series section in ?lm should be self explanatory. If you are using > diff's and lag's then look at the dyn package. > > On Fri, Sep 5, 2008 at 12:25 PM, <[EMAIL PROTECTED]> wrote: > > I did a ?lm and it said basically to be careful when using lm and a time > > series. But my question is probably more to do with my inexperience that > > anything. If I have a time series object 'ti' how do I write the formula? > > The response is the value at any particular time and the time is basically > > the index of the time series. But I don't know how to put that into a > > formula. > > > > Thank you. > > > > Kevin ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
