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st: RE: Time dependent ROC


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: Time dependent ROC
Date   Sun, 6 Jun 2010 11:50:31 +0200

<>

Have you taken a look at the two articles by Pepe et al. in Sj 9 (1)
http://www.stata-journal.com/sj9-1.html and accompanying software -net from
"http://www.stata-journal.com/software/sj9-1/"-?



HTH
Martin


-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of sumit isharwal
Sent: Sonntag, 6. Juni 2010 05:31
To: statalist@hsphsun2.harvard.edu
Subject: st: Time dependent ROC

Hello All:

I am looking for code/macro for time dependent ROC curve (Patrick J.
Heagerty,Thomas Lumley, and Margaret S. Pepe: Time-Dependent ROC
Curves for Censored Survival Data and a Diagnostic Marker.  BIOMETRICS
56, 337-344;2000) in Stata . Till now i have used only c-index to
report accuracy of a biomarker (not sensitivity, specificity, ROC
curve of a biomarker in time dependent censored data set). I would be
obliged if someone have codes/macro to calculate time dependent ROC
curve, sensitivity, specificity of a biomarker in censored data set.

Regards
Sumit
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