Statalist


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

st: AW: summing variables that have similar names


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: AW: summing variables that have similar names
Date   Tue, 14 Jul 2009 17:42:05 +0200

<> 

-egen, rowtotal()- happily takes a -varlist- so you can do anything you see
in -help varlist-


*************
clear*

inp x1 x2  y z
1 . . .
. 1 . .
. . 1 .
. . . 2
. . 4 .
. 3 . .
4 . . .
end   
egen sumofxyz=/* 
 */ rowtotal(x* y z)
 
l
*************



HTH
Martin


-----Ursprüngliche Nachricht-----
Von: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] Im Auftrag von MAY BAYDOUN
Gesendet: Dienstag, 14. Juli 2009 17:34
An: statalist@hsphsun2.harvard.edu
Betreff: st: summing variables that have similar names 

Dear Statalisters,

I was wondering if someone can help me figure out this:

I have several variables that are mutually exclusive. In other words, if one
has a value, the others are missing. I want to sum them into a single
variable so that all observations have a value. They start with the same few
letters, say xyz but have different letters or numbers thereafter.

I tried: gen newvar=sum(xyz*) but it didn't work out. Is there another way
to do this? I am guessing a loop?

Thanks a lot for any help you can provide,

Best,

May


May Baydoun, PhD in Epidemiology (UNC-Chapel Hill)  Staff Scientist,
National Institute on Aging, NIH/IRP,  Biomedical Research Center,
Baltimore, MD


      
*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/


*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   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