Can you clarify your question? Are you trying to calculate a
bootstrap-corrected c-statistic (i.e., one that corrects for model optimism
using bootstrapped data)? If so, I have a user-written program that will do
it for you.
Hari Nathan
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Max Bulsara
Sent: Wednesday, March 25, 2009 8:43 PM
To: [email protected]
Subject: st: Harrell's C statistics after Bootstrap
Is there a way of obtaining Harrell's C concordance statistics after
each Bootstrap replication of stcox? I am using Stata V10
Thanks
Max
Dr Max K. Bulsara, PhD
Biostatistician,
(Adjunct Assoc Prof Curtin University
and University of Notre Dame),
UWA Centre for Child Health Research
Telethone Institute for Child Health
100 Roberts Road, Subiaco, WA6008
Tel: (08) 9489 7737
email: [email protected]
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