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Re: st: Internal model validation
From
Maarten buis <[email protected]>
To
[email protected]
Subject
Re: st: Internal model validation
Date
Thu, 1 Apr 2010 08:46:03 -0700 (PDT)
--- Eduardo Nunez asked:
> I wonder if Stata (version 11) has a module to perform a Cox model
> internal validation (mainly Harrell's C-statistics) using
> bootstrapping?
It is not pre-programmed, but it is not difficult to do in
Stata. You can compute Harrel's C using -estat concordance-,
see: -help stcox postestimation##estatcon-. You can do the
bootstrap validation as in:
http://www.stata.com/statalist/archive/2009-09/msg00180.html
Hope this helps,
Maarten
--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany
http://www.maartenbuis.nl
--------------------------
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