Message-ID: <loom.20090507T173320-769@post.gmane.org>
Date: 2009-05-07T17:34:37Z
From: Dieter Menne
Subject: Step and stepAIC
Jun Shen <jun.shen.ut <at> gmail.com> writes:
>
>lme(biomarker~Cmax+AGE,data=cov,method='ML',random=~1+AGE|ID,keep.data=T)
> 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.
Dieter