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st: Dropping variables conditionally

From   Ian Watson <>
To   statalist <>
Subject   st: Dropping variables conditionally
Date   Thu, 14 Apr 2005 12:29:59 +1000

My last message had it's first paragraph swallowed by the server. It

  Is there an easy way to drop variables depending on certain
  conditions. The syntax for -drop- shows no if qualifier is allowed
  for the varlist syntax, only for the observation syntax.  

Kind regards, 

Ian Watson
Senior Researcher
acirrt, University of Sydney
NSW, 2006, Australia

phone: 02 9351 5622

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