Hi Dieter, the following model assumes a linear relationship between the response "newbone" and the independent variable "t" with a common intercept equal to 0 and treatment-dependent slopes:
grd.lme0 <- lme(newbone~t:treat-1, data=grd, random=~1|subject) summary(grd.lme0) Christian ______________________________________________ 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.
