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Re: st: Keeping values in upper triangle of matrix


From   brendan.halpin@ul.ie (Brendan Halpin)
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Keeping values in upper triangle of matrix
Date   Tue, 06 Dec 2011 22:36:26 +0000

On Tue, Dec 06 2011, Michael Betz wrote:

> I wondered if there was a way to
> save all the elements of the upper triangle of the matrix as a column
> vector. 

Check out the vech() function in Mata. 


Brendan
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