[R] Power analysis and mixed model

From: Dave Atkins <datkins_at_u.washington.edu>
Date: Wed 04 Apr 2007 - 19:25:46 GMT

Like Harold, I have also used simulation-based methods for power analyses, which I discuss (briefly) in the following article (with R code in an appendix):

Atkins, D. C. (2005). Using multilevel models to analyze marital and family treatment data: Basic and advanced issues. Journal of Family Psychology, 19, 98-110.

However, depending on the nature of your design, it could be far easier to use Steve Raudenbush's Optimal Design software with menus and GUI, downloadable at:

http://sitemaker.umich.edu/group-based/optimal_design_software

cheers, Dave

-- 
Dave Atkins, PhD
datkins@u.washington.edu


From: r-help-bounces at stat.math.ethz.ch
[mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Julien
Sent: Wednesday, April 04, 2007 10:40 AM
To: r-help at stat.math.ethz.ch
Subject: [R] Power analysis and mixed model

Hi

Is there any way to compute power analysis for a mixed model ?

Julien



Julien Martin

Candidat au Doctorat

Laboratoire de Marco festa-Bianchet

Universiti de Sherbrooke

Sherbrooke, Quibec

J1K 2R1 Canada

819 821 8000 poste 62059

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Received on Thu Apr 05 05:33:08 2007

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