Article,

ROC with confidence - a Perl program for receiver operator characteristic curves.

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Computer methods and programs in biomedicine, 64 (2): 133-136 (February 2001)3744<m:linebreak></m:linebreak>Proves diagnòstiques; ROC.

Abstract

Receiver operator characteristic (ROC) curves are recommended to assess the diagnostic value of tests depending on a single cut-off value of a continuous variable. These ROC curves show the true-positive rate (sensitivity) against the false-positive rate (1-specificity). It is desirable, especially in situations with small samples of observations, to display confidence bounds of the ROC curve. This paper presents a Perl program which calculates the ROC curve and its distribution-free confidence bounds. A simple user interface also written in Perl permits their display.

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