Bookmark and Share

Notice: On March 31, it was announced that Statalist is moving from an email list to a forum. The old list will shut down at the end of May, and its replacement, statalist.org is already up and running.


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: Count multiple observations / weight in Scatter


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
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
--------------------------


      

*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/


© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   Site index