As Andrew noted, you need to provide more information. But, what I see is that your model assumes X is continuous but you say it is bounded, -25 < X < 0
> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of victor > Sent: Wednesday, December 06, 2006 3:34 AM > To: r-help@stat.math.ethz.ch > Subject: [R] intercept value in lme > > Dear all, > > I've got a problem in fitting multilevel model in lme. I > don't know to much about that but suspect that something is > wrong with my model. > > I'm trying to fit: > > m1<-lme(X~Y,~1|group,data=data,na.action=na.exclude,method="ML") > m2<-lme(X~Y+Z,~1|group,data=data,na.action=na.exclude,method="ML") > > where: > X - dependent var. measured on a scale ranging from -25 to 0 > Y - level 1 variable Z - level 1 variable > > In m1 the intercept value is equal -3, in m2 (that is after > adding Lev 2 > var.) is equal +16. > > What can be wrong with my variables? Is this possible that > intercept value exceeds scale? > > Best regards, > > victor > > ______________________________________________ > R-help@stat.math.ethz.ch 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. > ______________________________________________ R-help@stat.math.ethz.ch 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.