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Re: st: RE: multilevel


From   "Daniel Macneil" <macneida@gse.harvard.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: multilevel
Date   Tue, 18 Mar 2008 14:23:50 -0400

Dear Nick,

you solved my problems. the link to the FAQ that you had written is fabulous, crystal clear.

james

On Tue, 18 Mar 2008 13:59:15 -0000
 "Nick Cox" <n.j.cox@durham.ac.uk> wrote:
The number of children in school in each household may be put in a
variable by
egen inschool = total(school), by(household_code)
-inschool- will thus be constant within household.
You can tag just one observation in each household by
egen tag = tag(household_code)
and then
tab inschool if tag
See also various FAQs, e.g.
FAQ . . Creating variables recording whether any or all possess some
char.
2/03 How do I create a variable recording whether any
members of a group (or all members of a group)
possess some characteristic?
http://www.stata.com/support/faqs/data/anyall.html

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

Daniel Macneil

I am stumped on what i thought was an easy problem. I have children
(id_code) within families(household_code) who go to school (1) or not(0). How do I find
the mean values (or even table) at the household level for how many children are in school? I
know I can use xtsum to get the std dev within and between, but about just finding out: the number
of families with ALL children in school, SOME children in school and NO children in school,
e.g.

+--------------------------------------------+
| househ~e id_code sex age school |
|--------------------------------------------|
4. | 1 4 Female 6 0 |
9. | 2 3 Female 12 0 |
10. | 2 4 Male 8 1 |
14. | 3 3 Female 12 0 |
15. | 3 4 Male 10 1 |
|--------------------------------------------|
16. | 3 5 Male 14 1 |
23. | 4 3 Female 14 0 |
24. | 4 4 Female 12 1 |
25. | 4 5 Female 6 0 |
32. | 5 5 Female 13 . |
|--------------------------------------------|

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D. James MacNeil
Doctoral Candidate
Harvard Graduate School of Education
macneida@gse.harvard.edu
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