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st: why no pweights in mvreg?


From   "sts" <sts@cloudburstgroup.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: why no pweights in mvreg?
Date   Thu, 12 Jan 2006 11:17:02 -0500

Hi all.  I'm working with some survey data employing noninteger inverse-
probability weights and I need to do an mvreg as I'm interested in the 
covariance matrix of the coefficients across equations.  I was surprised to 
see that mvreg doesn't accept pweights, only fweights and aweights.  Work 
done by my client in the past on this same dataset employed aweight in the 
mvreg call, but that's not strictly correct.

I can't think of any theoretical reason why mvreg shouldn't accept pweights.  
Am I insufficiently imaginative about theory problems, or did it just prove 
impracticable from a programming standpoint?

STS


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