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Re: st: name conflict in posting a matrix


From   Maarten Buis <maartenlbuis@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: name conflict in posting a matrix
Date   Tue, 10 Jul 2012 17:07:10 +0200

On Tue, Jul 10, 2012 at 4:11 PM, Emmanouil Mentzakis wrote:
> I think the problem is that I don’t tell -ereturn- correctly that I
> have two equations with the same covariates (I try to rename them
> using -matrix coleq-) and it therefore sees the same covariates names
> appear multiple times, hence the name conflict. However, I often
> models in Stata use the same covariates in multiple equations and
> naming them with a prefix similar to eq1 etc.

*------------------------- begin example ------------------------------
clear all
sysuse auto

program define toboot, eclass
    tempname b
    reg price mpg foreign
    matrix `b' = e(b)
    reg rep78 mpg foreign
    matrix `b' = `b', e(b)
    matrix colnames `b' = price:mpg price:foreign price:_cons ///
                          rep78:mpg rep78:foreign rep78:_cons
	ereturn post `b'
end

bootstrap _b, reps(100) :toboot
*-------------------------- end example -------------------------------

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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