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st: RE: Dropping all missing values


From   "Tharyan, Rajesh" <R.Tharyan@exeter.ac.uk>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: RE: Dropping all missing values
Date   Mon, 14 Dec 2009 16:34:15 +0000

Hi,

You can use the following code to do it.

 foreach var of varlist var1 var2 var3 {
 drop if `var'==.
 } 

Regards
rajesh
-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Mosi Ifatunji
Sent: 14 December 2009 16:30
To: Statalist
Subject: st: Dropping all missing values

Friends,

I am at the final stage of dataset preparation and would like to
remove all missing values. I know that I can drop all missing values
with the following syntax:

drop x1 if == .
drop x2 if == .

But, because I am going to have quite a few variables in the final
dataset, I would prefer as short a command syntax as possible. Of
course the goals of such an exercise is to ensure that all of my
analysis for this study is based on the same cases.

Thank you so much,

Mosi

-- 
Mosi A. Ifatunji, Ph.D. Candidate
ASA Pre-Doctoral Fellow
University of Illinois at Chicago
Department of Sociology (MC 312)
1007 West Harrison Street
Chicago, Illinois 60607-7140
Phone: (312) 607-2825
Email: mosi@ifatunji.com
Web: http://www.uic.edu/depts/soci/
http://blackyouthproject.uchicago.edu/
http://www.2008andbeyond.com/
http://www.ifatunji.com/

"Power concedes nothing without a demand."
                          - Frederick Douglass, 1857
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