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st: variable algorithm


From   Jet <lsj555@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: variable algorithm
Date   Sun, 13 Feb 2011 11:12:40 -0500

Dear Statalisters:

      I am to convert nine variables into a new variable with three
categories ( X1 X2 .... X9, each variable coded 0, 1, 2 3, thus
ranging from 0-27). The rules of converting into into three categories
are as follows:

      Category 1: MDD if X1 or X2 >=2 AND 5 or more other variables >=2;
      Category 2: OTHER if X1 or X2 >=2 AND 2, 3, 4 variables >=2;
      Category 3: NEITHER if neither of the above conditions are met.

   thank you very much.

  Jet

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