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st: RE: Date: Wed, 18 Apr 2007 10:08:42 -0500
forvalues i = 1/50 {
use "c:\datasets\RDSim\expanded.dta", clear
keep if sim == `i'
sort z
by z: egen wgt=sum(n)
cs y x [fw=n], by(z) standard(wgt) rd
}
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/
-----------------------------------------
-----Original Message-----
From: [email protected] [mailto:[email protected]]On Behalf Of Garth Rauscher
Sent: woensdag 18 april 2007 17:08
To: [email protected]
Subject: st: Date: Wed, 18 Apr 2007 10:08:42 -0500
I am mostly a sas user but use stata occasionally for analyses, particularly
if I want to do a standardization.
Below is working code to estimate a Z-standardized risk difference for the
effect of X on Y, on a subset of the dataset RDSim (where sim==1)
use "c:\datasets\RDSim\expanded.dta", clear
keep if sim == 1
sort z
by z: egen wgt=sum(n)
cs y x [fw=n], by(z) standard(wgt) rd
Id like to repeat the above program for each value of sim (from 1-50), using
efficient programming. I'd like to loop through the program 50 times for
each value of sim, but I am not proficient enough at Stata to figure out how
to do this. I tried forvalues and foreach but couldn't get either to work.
Does anybody have a simple solution to this problem they'd be willing to
share?
Thanks, Garth
Garth Rauscher
Assistant Professor
SPH Epidemiology and Biostatistics
University of Illinois at Chicago
1603 W Taylor St (M/C/ 923)
Chicago, IL 60612
(312) 413-4317 phone
(312) 996-0064 fax
[email protected] <mailto:[email protected]> email
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* For searches and help try:
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* http://www.ats.ucla.edu/stat/stata/
