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st: RE: RE: Variable list


From   "Wanli Zhao" <zhaowl@temple.edu>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: RE: Variable list
Date   Mon, 7 Nov 2005 00:21:34 -0500

Thanks, Nick. Usually, I'd say we may have to use macro most of the time.

Wanli 

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox
Sent: Sunday, November 06, 2005 7:52 PM
To: statalist@hsphsun2.harvard.edu
Subject: st: RE: Variable list

What you ask for is called a local macro in Stata and is documented under 

. help macro

and in [U] 18.3.1. For example, 

. local myx "x1 x2 x3 x4 x5 x6 x7 x8 x9 x10"
. regress y `myx' 

However, depending on the order of your variables, 

. regress y x1-x10 

may be equivalent; when that it is true, this syntax is in my view
preferable. 

Nick
n.j.cox@durham.ac.uk 

Wanli Zhao

> Could I create a list of
> variables I use in common in some regressions? For instance, x1, 
> x2,...,x10 are the variables I always use in 5 regressions. To save 
> typing, could I generate a shortcut named "control", which includes 
> all those variables so that I only use the name "control" in the 
> regressions? In Eviews, it is called a "group" of variables. My search 
> did not give me anything.

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