ROC curves and the X2 test

Authors:
Andrew P. Bradley
Affiliations:
-
Venue:
Pattern Recognition Letters
Year:
1996

Citing 4
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Abstract

In this paper we review the Receiver Operating Characteristic (ROC) curve, and the X^2 test statistic, in relation to the analysis of a confusion matrix. We then show how these two methods are related, and propose an extension to the ROC curve so that it shows contours of X^2 values. These contours can be used to provide further insight into the appropriate setting of the decision threshold for a particular application.