Python code to plot an example receiver-operator characteristic curve ... with the false and true positives shaded, and the corresponding ROC curve and indicated working point. The effect of the ...

Requires (and tests for) all ROC curve values in xss and yss being monontonically increasing (though not necessarily ordered). For fun: test() method to generate set of random ROC curves, then plot ...

The ROC curve is plotted by the GPLOT procedure, and the plot is shown in Output 39.6.3. symbol1 i=join v=none c=blue; proc gplot data=roc1; title 'ROC Curve'; plot _sensit_*_1mspec_=1 / vaxis=0 to 1 ...