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Comput Methods Programs Biomed. 2001 Feb;64(2):133-136.

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

Author information

1
Department of Internal Medicine II, University of Ulm, Robert-Koch-Str. 8, 89081, Ulm, Germany. hans.kestler@medizin.uni-ulm.de

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.

PMID:
11137196
DOI:
10.1016/s0169-2607(00)00098-5
[Indexed for MEDLINE]

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