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Re: st: weighted paired t-tests


From   Ángel Rodríguez Laso <angelrlaso@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: weighted paired t-tests
Date   Wed, 12 Aug 2009 10:22:02 +0200

   "For the equivalent of a two-sample t test with sampling weights
(pweights), use the
    svy:mean command with the by() option, and then use lincom; also see svy
    postestimation."

Best regards,

Angel Rodriguez-Laso


2009/8/11 Tony Charman <T.Charman@ioe.ac.uk>:
> Dear statalist - I have a dataset where we have participants who have
> completed VERBAL and PERFOMANCE IQ tests and one simply question is
> which is higher (all one group) verbal or performance. I use the
> following code to run a paired t-test:
>
> ttest wisc_piq == wisc_viq
>
> The design is a sample one with weights how do I run a weighted paired
> t-test (using pweight or aweights I am assuming?).
>
> Many thanks in advance for any help...
>
> Tony
>
> Tony Charman
> Prof. Tony Charman
> Chair in Autism Education
> Centre for Research in Autism and Education
> Department of Psychology and Human Development
> Institute of Education
> 25 Woburn Square
> London, WC1H 0AA
> +44 (0)207 331 5125
> http://www.ioe.ac.uk/crae/
>
>
>
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