m67295043
/
pt5jvslni
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from 'master'
${ noResults }
pt5jvslni/Chapter4/k-近邻算法流程.md

307 B
Raw Permalink Blame History

4.3 k-近邻算法流程

knn算法不需要训练模型，只是根据离样本最近的几个样本类型来判别该样本类型，所以流程非常简单：

  • 1.计算出新样本与每一个样本的距离
  • 2.找出距离最近的k个样本
  • 3.根据加权投票规则得到新样本的类别