Statalist


[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]

Re: st: re: getting a list of included variables in estimation


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: re: getting a list of included variables in estimation
Date   Tue, 31 Jul 2007 13:29:00 +0100 (BST)

--- Kit Baum <baum@bc.edu> wrote:
> Maarten's point re _rmcoll is well taken, but that merely means you  
> should clean up the regressor list before doing the regression:
> 
> local regressors mpg mpg2 turn turn2
> _rmcoll `regressors'
> regress price `r(varlist)'
> local vv :  colnames e(b)
> local vv: subinstr local vv "_cons" " "
> foreach v of local vv {
> 	test `v'
> }

This code you can obviously be shortened like this:
local regressors mpg mpg2 turn turn2
_rmcoll `regressors'
regress price `r(varlist)'
foreach v of varlist `r(varlist)' {
	test `v'
}

(Kit privately gloated that his code was shorter than mine...)


-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands

visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434

+31 20 5986715

http://home.fsw.vu.nl/m.buis/
-----------------------------------------


      ___________________________________________________________
Yahoo! Answers - Got a question? Someone out there knows the answer. Try it
now.
http://uk.answers.yahoo.com/ 
*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/



© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index