Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
我已经实现了一个决策树,我希望通过 ROC 曲线对其进行评估。
但是,我不知道如何定义它的阈值。据我所知,决策树的性能可以用单个混淆矩阵来表示,因此它应该对应于 ROC 图中的单个点。我该怎么做曲线?
谢谢!