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st: RE: RE: counting subgroups in a large group


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: RE: counting subgroups in a large group
Date   Fri, 6 Jun 2003 20:29:50 +0100

adonlan
 
> I need to find the number of groups in a larger group: the 
> number of *sections 
> in a *course.  Of course, I can do this:
> 
> sort course
> by course: tabulate sections
> 
>    One would then count the sections by eyeballing them in 
> the tabulation, but 
> in my data, a course can have many many sections.
> 
>    The conceptual idea would be analgous to this fantasy coding:
> 
> by course: codebook section 

Sounds the same question as Jennifer Earl 
on 1 June. She was also into code fantasies. 

On your last detail, you can do this without anyone writing 
new code: 

separate section, by(course) 
codebook `r(varlist)' 

Otherwise please consult the archives for answers to Jennifer's 
question from Scott Merryman and myself (somewhat overlapping: 
I didn't see Scott's message at first in a string of spams). 

Nick 
n.j.cox@durham.ac.uk 

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