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Re: st: Count multiple observations / weight in Scatter
From
Maarten buis <[email protected]>
To
[email protected]
Subject
Re: st: Count multiple observations / weight in Scatter
Date
Fri, 17 Sep 2010 09:24:34 +0000 (GMT)
--- On Fri, 17/9/10, Rilke Rainer Michael wrote:
> I have data where for example one subject indicates two
> different variables, lets say X and Y.
> I now want to create a variable lets say freq which counts
> the number of multiple duplicate observation.
*--------------- begin example -------------
drop _all
input id x y
1 10 19
2 12 19
3 10 19
end
bys x y : gen count = _N
sort id
list
*--------------- end example ----------------
(For more on examples I sent to the Statalist see:
http://www.maartenbuis.nl/example_faq )
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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