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st: RE: Filling gaps???


From   "Maarten Buis" <M.Buis@fsw.vu.nl>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: Filling gaps???
Date   Thu, 30 Nov 2006 14:02:50 +0100

--- Honorati Masanja wrote: 
> I have a dataset with individuals in households. Each individual has a
> unique identifier. Some individuals in the households are infected and
> some are not. My problem is how do I tell Stata to create a new variable
> which will have 1 for households with at least one infected person  and
> 0 for households without infected persons.

Honorati Masanja:
Yesterday I posted a way of doing this on the statalist, see: 
http://www.stata.com/statalist/archive/2006-11/msg00841.html. Applying it 
to your data would look like the example below:

*-------------- begin example ---------------------
input HouseholdID  PersonID      Infected
010101         01010101        1
010101         01010102        1
010102         01010201        0
010102         01010202        1
010102         01010203        1
010103         01010301        0
010103         01010302        0
010103         01010303        0
010104         01010401        0
010104         01010402        1
end

bys HouseholdID: egen tinfected = total(Infected)
gen houseinfected = tinfected>=1
*---------------- end example ----------------------

HTH,
Maarten

-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology 
Vrije Universiteit Amsterdam 
Boelelaan 1081 
1081 HV Amsterdam 
The Netherlands

visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434 

+31 20 5986715

http://home.fsw.vu.nl/m.buis/
-----------------------------------------



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