[R] Step and stepAIC

Dieter Menne dieter.menne at menne-biomed.de
Thu May 7 19:34:37 CEST 2009

Jun Shen <jun.shen.ut <at> gmail.com> writes:

> Warning message:
> In lme.formula(biomarker ~ Cmax + AGE, data = cov, method = "ML",  :
>   Fewer observations than random effects in all level 1 groups

That's why the posting guide says: tell the whole story. After
that warning, expect everything. You want too much from your data.


More information about the R-help mailing list