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On calculating AUC

Recently Microsoft Data Scientist Bob Horton wrote a very nice article on ROC plots. We expand on this a bit and discuss some of the issues in computing “area under the curve” (AUC). Continue reading On calculating AUC

Posted on Categories Opinion, Statistics, TutorialsTags , , , , 2 Comments on More on ROC/AUC

More on ROC/AUC

A bit more on the ROC/AUC

The issue

The receiver operating characteristic curve (or ROC) is one of the standard methods to evaluate a scoring system. Nina Zumel has described its application, but I would like to call out some additional details. In my opinion while the ROC is a useful tool, the “area under the curve” (AUC) summary often read off it is not as intuitive and interpretable as one would hope or some writers assert.

Continue reading More on ROC/AUC