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Re: st: RE: basic commands question


From   Nick Winter <nw53@cornell.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: basic commands question
Date   Wed, 05 May 2004 15:21:21 -0400

At 08:13 PM 5/5/2004 +0100, you wrote:
> Or..
> why does the following code not work?
>
> . by (var1 var2): egen freq=count(var3)
>
> I want to count the number of occurences  (var3) for each
> year for each
> country.  how do i save this reorganized result in a .dta file?
You need to omit the parentheses:

. by var1 var2: egen freq=count(var3)

(And be sure you've previously sorted on var1 var2).

--Nick Winter


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