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Re: st: Dxy
From
Roger Newson <[email protected]>
To
"[email protected]" <[email protected]>
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
Royal Brompton Campus
Room 33, Emmanuel Kaye Building
1B Manresa Road
London SW3 6LR
UNITED KINGDOM
Tel: +44 (0)20 7352 8121 ext 3381
Fax: +44 (0)20 7351 8322
Email: [email protected]
Web page: http://www.imperial.ac.uk/nhli/r.newson/
Departmental Web page:
http://www1.imperial.ac.uk/medicine/about/divisions/nhli/respiration/popgenetics/reph/
Opinions expressed are those of the author, not of the institution.
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