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RE: st: Multilvel Model Power Estimation for non-inferiority testing?


From   "Lachenbruch, Peter" <[email protected]>
To   <[email protected]>
Subject   RE: st: Multilvel Model Power Estimation for non-inferiority testing?
Date   Mon, 11 Feb 2008 13:32:48 -0800

There is a program od that I ran into "Optimal Design for Multi-Level
and Longitudinal Research"  that does sample size computations.  Authors
are Jessica Spybrook ([email protected]) 
Andres Martinez ([email protected]) 
Xiaofeng Liu	([email protected]) 
Stephen Raudenbush ([email protected] )

It was produced at the survey research center of the institute for
social research at Michigan.

http://sitemaker.umich.edu/group-based/optimal_design_software
  
will let you download the program and the documentation.

Tony

Peter A. Lachenbruch
Department of Public Health
Oregon State University
Corvallis, OR 97330
Phone: 541-737-3832
FAX: 541-737-4001


-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Robert A
Yaffee
Sent: Monday, February 11, 2008 12:42 PM
To: [email protected]
Subject: Re: st: Multilvel Model Power Estimation for non-inferiority
testing?

Brad,

Steve Raudenbusch was developing a program to do power estimation for
multilevel models and
a few years ago, it was available for free, from his web site.

    Regards,
            Bob Yaffee


----- Original Message -----
From: "Anderson, Bradley J" <[email protected]>
Date: Monday, February 11, 2008 12:31 pm
Subject: st: Multilvel Model Power Estimation for non-inferiority
testing?
To: [email protected]


> Could anyone point toward resources for analyzing statistical 
> power/sample size requirements when doing non-inferiority testing with

> multilevel data.  I'm not finding anything and am stumped.  Thanks
much!
> 
> Brad
> 
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