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, <rkevinburton at charter.net>
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