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re: st: SUREG: Testing sum of coefficients


From   Kit Baum <baum@bc.edu>
To   statalist@hsphsun2.harvard.edu
Subject   re: st: SUREG: Testing sum of coefficients
Date   Thu, 25 Feb 2010 07:07:38 -0500

On Feb 25, 2010, at 2:33 AM, mal7777t wrote:

> Brilliant, many thanks!
> is there a way to loop them since I have 88 equations with the same variable?


sysuse auto, clear
sureg (price foreign weight length) ///
     (mpg foreign weight)          ///
	  (displacement foreign weight)
loc ec 0
foreach v of varlist `e(depvar)' {
	loc tt "`tt'_b[`v':foreign]"
	loc ++ec
	if `ec' < e(k_eq) {
		loc tt "`tt'+"
	}
}
test `tt' = 0


Kit Baum   |   Boston College Economics & DIW Berlin   |   http://ideas.repec.org/e/pba1.html
                              An Introduction to Stata Programming  |   http://www.stata-press.com/books/isp.html
   An Introduction to Modern Econometrics Using Stata  |   http://www.stata-press.com/books/imeus.html


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