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Re: st: Overriding a loop if 0 observations using tabstat

From   Maarten buis <>
Subject   Re: st: Overriding a loop if 0 observations using tabstat
Date   Tue, 27 Apr 2010 04:56:27 -0700 (PDT)

--- On Tue, 27/4/10, sara khan wrote:
> I just tried this but the output only shows the display
> results and nothing from tabstat.

-capture- works for me:

*----------------- begin example ---------------------
sysuse auto, clear
forvalues i = 0/5 {
	capture noisily tabstat mpg if rep78== `i', ///
                s(n mean) by(foreign)
*-------------------- end example -------------------

In order to debug your loop I would build it step by step:
step 1: no looping, no locals, no -if- just a single -tatstat- command
step 2: add -capture noisily-
step 3: add some -if- conditions
step 4: build a single loop (e.g. over i but not over y)
etc. etc.

Hope this helps,

Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen


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