Statalist


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

Re: st: Working with groups


From   Maarten buis <[email protected]>
To   [email protected]
Subject   Re: st: Working with groups
Date   Thu, 10 Apr 2008 16:55:18 +0100 (BST)

--- [email protected] wrote:
> I am trying to model the effect of a treatment (x-variable) on an
> outcome (y-variable). My database contains information of several
> regions, how could I work only with two regions? 

Say the variable containing information on the regions is called region
and you want to do your analysis for regions 1 and 2, then you type

regress y x if region == 1 | region == 2

For more see: -help if- .

hope this helps,
Maarten

-----------------------------------------
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! For Good helps you make a difference  

http://uk.promotions.yahoo.com/forgood/
*
*   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 1996–2024 StataCorp LLC   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index