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Re: st: AW: implementation of variance formula


From   Inna Becher <inna.becher@uni-konstanz.de>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: AW: implementation of variance formula
Date   Wed, 11 Mar 2009 09:29:30 +0100

thank you Martin. I will try to do this by means of Mata.

Inna

Martin Weiss schrieb:
<> The most prominent one is probably the one of the OLS estimator "V = s^2*(X'X)^(-1)" which you can see in Mata action in
*************
help m1_interactive
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HTH
Martin


-----Ursprüngliche Nachricht-----
Von: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] Im Auftrag von Inna Becher
Gesendet: Dienstag, 10. März 2009 12:07
An: statalist@hsphsun2.harvard.edu
Betreff: st: implementation of variance formula

Dear statalisters,

I have to implement a formula of the variance of modified horvitz-thompson-estimator. My dataset is very large, so I cannot produce a lot of new variables in order to do that. Should I use mata? Are there any examples of implementing variance formulas in stata?
Thank you.

Inna Becher


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