Re: st: Programming: Ranking hospitals according to admissions in a dataset with patient level data

[Maarten buis <maartenbuis@yahoo.co.uk>]

--- On Mon, 19/7/10, Andreas Schmid wrote:
> I am working with a patient dataset which contains
> information on each admitted patient as well as on the
> according hospitals. For further steps I need a rank number
> for each hospital according to admissions per year. The
> variable "admissions" already exists. As for each hospital
> there are a couple of thousand observations (i.e. patients),
> I can not just use egen ranking = rank(admissions), as this
> would try to rank each individual observation.
> 
> Is there any way to generate a variable ranking that gives
> in each observation the same rank for one particular
> hospital?

bys hospital_id: gen byte first = _n == 1
gen nonfirst = !first
sort admissions hospital_id notfirst
gen long hospital_rank = sum(first)

Hope this helps,
Maarten

--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany

http://www.maartenbuis.nl
--------------------------



      

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