[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

st: Pencina's NRI and IDI reclassification indices

From   John Cornell <>
To   Statalist <>
Subject   st: Pencina's NRI and IDI reclassification indices
Date   Wed, 01 Apr 2009 10:55:07 -0500

Title: Pencina's NRI and IDI reclassification indices
Dear Members:

I am looking for functions to compute Pencina’s net reclassification improvement (NRI) and integrated discrimination improvement (IDI) indices to evaluate the added predictive value of a new biomarker. Net search failed to find a function for these measures. Has anyone programmed these functions in Stata?


John E. Cornell, Ph.D.
Department of Epidemiology and Biostatistics
University of Texas Health Science Center, San Antonio
7703 Floyd Curl Drive
San Antonio, Texas 78229-3900


"Expectation, hope, intention towards possibility ... this is not only a basic feature of human consciousness, but ... a basic determination within reality as a whole."

-- Ernst Bloch
-- The Principle of Hope, vol. 1

The information in this e-mail may be confidential. This e-mail is intended to be reviewed only by the individual or organization named above. If you are not the intended recipient or an authorized representative of the intended recipient, you are hereby notified that any review, dissemination, or copying of this e-mail and its attachments, if any, or the information contained herein is prohibited. If you have received this e-mail in error, please immediately notify the sender by return e-mail and delete this e-mail from your system. Thank you. 

© Copyright 1996–2017 StataCorp LLC   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index