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st: logic for assigning values across an entire group


From   Lloyd Dumont <lloyddumont@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: logic for assigning values across an entire group
Date   Tue, 22 Sep 2009 11:00:05 -0700 (PDT)

Hello.  I am battling the logic demons.  There has got to be a way to do this using -egen- I think...

Let's say I have observations partitioned into groups.  Each observation has a numeric value for STATUS, something like this...

GROUP             STATUS
1                 1
1                 1
1                 3
2                 3
3                 1
3                 2
3                 2 

I would like to create a third variable, HISTATUS, that takes the highest value for STATUS within each group, and assigns it to every observation within that group.  In the example above, HISTATUS would take on the value of 3 for all obs in GROUP 1, 3 for the obs in GROUP 2, and 2 for all the obs in GROUP 3.

Can someone please suggest a clever way of doing that?  I am guessing that it would involve -egen- and the rank option, but I could be wrong about that.

Thank you for your help.  Lloyd Dumont




      
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