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Re: st: t-test for weighted data


From   Ronan Conroy <[email protected]>
To   "[email protected]" <[email protected]>
Subject   Re: st: t-test for weighted data
Date   Wed, 27 Jan 2010 18:52:14 +0000

On 27 Ean 2010, at 16:53, Data Analytics Corp. wrote:

With unweighted data, I would
simply use a t test - no problem.  But with the weights I have an
issue.  The t test does not accept weights.

Try -regress-. Not alone does it accept weights, you can also use the - robust- option. And, of course, add confounding variables to the model.



Ronan Conroy
=================================

[email protected]
Royal College of Surgeons in Ireland
Epidemiology Department,
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+353 (0)1 402 2431
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http://rcsi.academia.edu/RonanConroy

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