听了好几次课程 何老师都是讲 minimum risk是基于概率其它三种是求极值的方法，但是讲义的课件上蓝色字体写的是In summary, the minimum error rule makes a decision based on calculated probabilities.The other three methods use optimozation techniques to determine a classification system.能不能明确下哪种才是正确的，谢谢！
