机器学习：K临近算法-KNN

一、sklearn代码

from sklearn import neighbors
'''
(1)n_neighbors： 使用邻居的数目
'''
model = neighbors.KNeighborsClassifier(n_neighbors=5, n_jobs=1) # 分类
model = neighbors.KNeighborsRegressor(n_neighbors=5, n_jobs=1) # 回归