Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

GBDT不需要对特征进行归一化 #31

Open
1033020837 opened this issue Dec 15, 2020 · 1 comment
Open

GBDT不需要对特征进行归一化 #31

1033020837 opened this issue Dec 15, 2020 · 1 comment

Comments

@1033020837
Copy link

GBDT由于是采用树模型作为基模型,因此也不需要对特征进行归一化。GBDT的求导是针对前面模型的预测值进行求导的而不是针对参数进行求导的,因此从梯度角度考虑也并不需要对特征进行归一化。

@stevenkitter
Copy link

12k的项目里面有的错误真是无法理解。。

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

No branches or pull requests

2 participants