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st: stcox: phtest with shared frailty


From   Jeph Herrin <jherrin@flyingbuttress.net>
To   statalist@hsphsun2.harvard.edu
Subject   st: stcox: phtest with shared frailty
Date   Mon, 05 Jun 2006 14:17:41 -0400

The Methods and Formulas documentation for for -estat phtest- describes in
detail how -stcox- shared frailty models are handled, but this doesn't seem to
actually work:


  . stcox myvar, schoenfeld(var1) shared(frailvar)

  . estat phtest
  invalid subcommand phtest
  r(321);

However, it works fine for the same model if frailty is not specified.

I found this identical problem posted a few months ago, but no responses.
Any ideas?


cheers,
Jeph






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