BriefGPT.xyz
Apr, 2018
一元 ROC 曲线下面积的界
A Univariate Bound of Area Under ROC
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Siwei Lyu
TL;DR
本文提出了一种新的替代损失函数来优化AUC,避免了训练数据之间的成对比较,具有线性的时间和存储复杂度,并对在线学习和批处理算法进行实验以说明其有效性。
Abstract
Area under ROC (
auc
) is an important metric for
binary classification
and bipartite ranking problems. However, it is difficult to directly optimizing
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