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Re: st: quasi-variances in Stata

From   Richard Goldstein <>
Subject   Re: st: quasi-variances in Stata
Date   Fri, 09 May 2008 09:47:32 -0400

I am not familiar with either Firth or Fox (2008) (note that the FAQ asks for complete references); nor am I familiar with the term "quasi-variances";

Why not just use the test statement after your regression to test exactly the comparison you want?


Thomas W. Volscho wrote:

Does anyone know if Stata has plans to (or has already) incorporated a native routine to obtain quasi-variances for testing differences between dummy variables and not just differences b/w each dummy and reference category?

Firth has done work in this area and it is outlined in John Fox's new (2008) applied regression text.


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