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st: RE: count in matched family-individuals file


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: count in matched family-individuals file
Date   Wed, 1 Jul 2009 11:38:29 +0100

This sounds like 

egen nadults = total(age >= 18 & age < .), by(IDhousehold) 

-egen- as I recall is not even mentioned in [U], but there's a help
page. 

The Data Management FAQs on www.stata.com are fairly dense with nearby
examples. 

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

Joana Estata

I matched 2 files, one of households and other of individuals of each
household.
Now I have a file where the characteristics of each household are
associated with each individuals.
I want:
(a) to create a variable which count how many adults (18+) exist in
each household . Observations are individuals, so it means how many
times the same IDhousehold appears associated with an individual with
18 years old or upper.
(b) add the variable obtained in (a) to the household characteristics
(number of adults per household will be add to other characteristics
as size or income).
I have User Guide STATA Release 9, junt send me to a page.

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