1.7 KNN算法学习——网格搜索超参数

网格搜索参数：

定义参数

param_grid=[
    {
        'weights':['uniform'],
        'n_neighbors':[i for i in range(1,11)]
    },
    {
        'weights':['distance'],
        'n_neighbors':[i for i in range(1,11)],
        'p':[i for i in range(1,6)]
    }
]param_grid=[
    {
        'we