如何将多分类转换为二分类

[LiuShiWang]

hello！Thank you for the code you shared.This is very helpful to me. The blog you recommend is in the case of multi-category application， and your code is in the case of two classifications. The question is how to convert multiple classifications into two classifications？ Do you mind sharing your own data set? You are excellent, I want to learn from you, thank you again.