[R-sig-ME] Effect Size in lme

[Ben Bolker]

Patrick Onyango wrote:
> All,
> I have been asked to provide effect sizes for results I obtained from  
> lme. Does anyone know how to handle this?
> 
> Many thanks already.
> Patrick

  There are a lot of definitions of "effect size".  If the request is
simply to indicate the practical relevance of the effects (i.e.
'biological' significance), I would just quote the parameter estimates
(with standard errors), and the standard deviations of the random
effects ...

-- 
Ben Bolker
Associate professor, Biology Dep't, Univ. of Florida
bolker at ufl.edu / people.biology.ufl.edu/bolker
GPG key: people.biology.ufl.edu/bolker/benbolker-publickey.asc