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Re: st: referencing eresult matrices


From   Jeph Herrin <junk@spandrel.net>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: referencing eresult matrices
Date   Fri, 06 Nov 2009 08:21:57 -0500

Thanks, but as the subject line says, I want to
reference e(matrix) directly - I just gave one
example. I've been using the below method for years,
so I hardly think about it anymore, but every once
in a while wonder if there's a shorter way.

cheers,
J

Maarten buis wrote:
--- On Thu, 5/11/09, Jeph Herrin wrote:
After an estimation, I often want to get a particular
element of one of the result matrices, and know I can do
it as follows:

  reg y x
  matrix b = e(b)
  di el("b",1,1)

But there must be a way to eliminate the middleman b? This

  reg y x
  di el("e(b)",1,1)

doesn't work, but I'm sure there's a way to reference e(b)
so that I don't need to store it in another matrix first.
In fact, I'm sure I knew it once, even.

Say the variable whose coefficient you want is called x, than you can refer to it as _b[x] (and its standard error as _se[x]).

Hope this helps,
Maarten

--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany

http://www.maartenbuis.nl
--------------------------



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