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st: A belated comment on -egen, rank()-


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: A belated comment on -egen, rank()-
Date   Sun, 1 Oct 2006 18:45:04 +0100

In a recent thread, Nikolaos A. Patsopoulos wanted ranks 
like this: 

      +-------------------+
      |  v1    v2    rank |
      |-------------------|
   1. | aaa   374       1 |
   2. | bbb   213     2.5 |
   3. | ccc   204       4 |
   4. | gvf   193       5 |
   5. | gfd   170       6 |
      |-------------------|
   6. | gfd   166       7 |
   7. | abc   213     2.5 |
      +-------------------+

In addition to other solutions, note that 

egen rank = rank(-v2) 

would work. The key detail here is that the 
-egen- function takes an expression, which 
can include the negation operator to flip 
ranks around. 

Nick 
n.j.cox@durham.ac.uk 

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