H-Accuracy, an Alternative Metric to Assess Classification Models in Medicine.

As widely known, regular accuracy is a misleading and shallow indicator of the performance of a predictive model, especially in real-life domains like medicine, where decisions affect health or life. In this paper we present and discuss a new accuracy measure, the H-accuracy, as a more conservative alternative to regular accuracy, which we claim is more informative in the medical domain (and others of similar needs) for the elements it...