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st: update to -cochran- on SSC


From   "Jann, Ben" <ben.jann@soz.gess.ethz.ch>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: update to -cochran- on SSC
Date   Wed, 27 Oct 2004 21:09:30 +0200

Thanks to Kit Baum, the -cochran- package has been
updated on SSC. 

-cochran- performs a test for equality of proportions 
in matched samples (Cochran's Q).

Changes are:

- -cochran- did not work if the input variables had 
  missing values. This is fixed.

- The input variables do not have to be 0/1 anymore.
 
- An exact test is conducted if no more than two
  proportions are compared.

Cheers, 
ben

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