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Re: st: Dxy


From   Roger Newson <r.newson@imperial.ac.uk>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: Dxy
Date   Sun, 14 Mar 2010 15:01:47 +0000

I think you need to use either -estat concordance- or the -somersd- package, downloadable from SSC. The -somersd- package comes with a .pdf manual containing an example of the calculation of Harrell's c, which can be adapted to compute Somers' D.

I hope this helps.

Best wishes

Roger

On 12/03/2010 20:35, paaventhan jeyaganth wrote:
Dear statalisters,

how can i get the Dxy rank correlatin between predicted log hazard and observed survival time

in in original sample and bootstrap sample.


Thanks

Paaveen

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--
Roger B Newson BSc MSc DPhil
Lecturer in Medical Statistics
Respiratory Epidemiology and Public Health Group
National Heart and Lung Institute
Imperial College London
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