维基上corss entropy的一部分
知乎上也有一个类似问题：https://www.zhihu.com/question/36307214
cross entropy有二分类和多分类的形式，分别对应sigmoid和softmax
The logistic loss is sometimes called cross-entropy loss. It is also known as log loss
维基上corss entropy的一部分
知乎上也有一个类似问题：https://www.zhihu.com/question/36307214
cross entropy有二分类和多分类的形式，分别对应sigmoid和softmax
The logistic loss is sometimes called cross-entropy loss. It is also known as log loss