This repository has been archived on 2020-04-25. You can view files and clone it, but cannot push or open issues or pull requests.
ml/knn/README.md
2020-02-23 22:14:06 +08:00

19 lines
588 B
Markdown
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# k-近邻算法
K最近邻(k-Nearest NeighborKNN)分类算法,是一个理论上比较不成熟的方法,也是最简单的机器学习算法之一。
该方法的思路是如果一个样本在特征空间中的k个最相似(即特征空间中最邻近)的样本中的大多数属于某一个类别,则
该样本也属于这个类别。
[详解](https://blog.csdn.net/taoyanqi8932/article/details/53727841)
## 综述
- 分类算法
- 基于实例的学习,懒惰学习
## 算法详述
### 算法步骤
为了判断实例的类别,以所有已知实例作为参照