--- P chrisman <[email protected]> wrote:
I need to find the total mg of a treatment received for each subject.
> I have mg of treatment drug as variables mg_1 for the first dose
> received through mg_108 for the last dose received. I would normally
> just create a variable, e.g. gen totalmg= mg_1 + mg_2 to find the
> total, but since I have 108 doses to sum, I am wondering if there is
> a more efficient way to create the totalmg?
gen double totalmg
foreach var of varlist mg_* {
replace totalmg = totalmg + `var'
}
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! 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/
