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st: Pencina's NRI and IDI reclassification indices


From   John Cornell <[email protected]>
To   Statalist <[email protected]>
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?

Cheers,


John E. Cornell, Ph.D.
Professor
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



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