Error of the 3rd kind, (right answer to wrong question), I think. So what if
the test rejects --- then what?

I think the poster is looking for some kind of smoother.

?loess, ?smooth.spline and about 400 others may be useful.

--
Bert Gunter
Genentech Nonclinical Statistics

On Tue, Aug 31, 2010 at 11:52 AM, rtist <patwarner2424@yahoo.com> wrote:

>
> You can try a unit root test which test for stationarity in a series.
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