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st: An index for determining cut points using ROC

From   Alan Acock <>
Subject   st: An index for determining cut points using ROC
Date   Wed, 20 Jun 2012 18:13:18 -0700

I have a diagnostic test and want to predict which children will be school ready (0,1) based on the diagnostic test. ROC curves are great for this. There appear to be two indexes. Youdon's index and the point where the ROC curve is closest to 0,1.  Is there a way to compute either or both of these using Stata or a user written command? Findit youdon shows nothing.

Alan Acock

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