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Re: st: how to handle clustering


From   Kate Welti <kate.perper@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: how to handle clustering
Date   Thu, 29 Jul 2010 13:07:59 -0400

I have 255 children and 37 classrooms.


On Thu, Jul 29, 2010 at 11:48 AM, Jeph Herrin <stata@spandrel.net> wrote:
> 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
>>
>> *
>> *   For searches and help try:
>> *   http://www.stata.com/help.cgi?search
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>> *   http://www.ats.ucla.edu/stat/stata/
>>
> *
> *   For searches and help try:
> *   http://www.stata.com/help.cgi?search
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/
>



-- 

Kate (Perper) Welti
202-744-2413

*
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