> For the complete documentation index, see [llms.txt](https://luweikxy.gitbook.io/machine-learning-notes/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://luweikxy.gitbook.io/machine-learning-notes/tips.md).

# 知识点

* [返回顶层目录](/machine-learning-notes/summary.md)
* [损失函数](/machine-learning-notes/tips/loss-function.md)
* [负采样](/machine-learning-notes/tips/negtive-sampling.md)