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Re: st: how to handle clustering


From   Jeph Herrin <stata@spandrel.net>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: how to handle clustering
Date   Thu, 29 Jul 2010 11:48:25 -0400

It would be helpful to know how many classrooms and children you
have.

On 7/29/2010 11:36 AM, Kate Welti wrote:
Hello,

I am analyzing data in which I have treatment and control classrooms
(intervention was at the classroom level) and child-level test scores.
  Ideally, I would use a multi-level model, however, I don't have
enough classrooms and children to do so (according to a power
analysis).  I need to find a way to control for the clustering of
children in classrooms.  Can Stata's cluster option be used in this
instance?

Thanks,

Kate

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