Re: [R] significance for a random effect in Mixed Model ANOVA

2007-10-17 Thread Ben Bolker
Nathaniel Street wrote: > > > [questions about testing significance of random effects] > > Pinheiro and Bates 2000 is the standard reference for this kind of question. The basic answer is that the Likelihood Ratio Test (implemented by anova()) is a reasonable approach (and recommended by PB

Re: [R] significance for a random effect in Mixed Model ANOVA

2007-10-17 Thread Nathaniel Street
> cc > Sent by: > [EMAIL PROTECTED] Subject > project.org [R] si

Re: [R] significance for a random effect in Mixed Model ANOVA

2007-10-15 Thread joris . dewolf
PROTECTED] Subject project.org [R] significance for a random effect in Mixed Model ANOVA 14/10/

[R] significance for a random effect in Mixed Model ANOVA

2007-10-14 Thread Nathaniel Street
In a number of cases I want to use mixed-model ANOVA tests where I am interested in whether both the fixed and random effects (and their interactions) are significant. If I use this example >library(nlme) >data(Orthodont) >anova(lme(distance ~ age + Sex, data = Orthodont, random = ~ 1)) I get th