Hi Alan How your lm model looks like? Are your data stored on a data.frame ? Case yes, send us a str(df). Send us a short sample of the code and a short subset of the data.
Cheers, miltinho astronauta brazil On Tue, Jul 8, 2008 at 5:36 AM, Alan Kelly <[EMAIL PROTECTED]> wrote: > Hi, while using package "segmented" (version 0.2-4) by Vita Muggeo to > investigate a possible change point (around time = 222) in admissions for a > specific medical condition I had the following error message: > > fit2.seg<-segmented(fit2, seg.Z=~time,psi=222) > Error in segmented.lm(fit2, seg.Z = ~time, psi = 222) : > (Some) estimated psi out of its range > > "fit2" is a simple lm fit to time. I have used this package successfully > for related analyses without this error. Having tried many alternatives to > "psi=222" but with the same error, I wondered if anyone can assist? > Many thanks, > Alan Kelly > > ______________________________________________ > 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<http://www.r-project.org/posting-guide.html> > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ 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.
