导包合集
数据集合 from sklearn.datasets import load_wine
决策树 from sklearn.tree import DecisionTreeClassifier
随机森林 from sklearn.ensemble import RandomForestClassifier
交叉验证 from sklearn.model_selection import cross_val_score
网格搜索 from sklearn.model_selection import GridSearchCV
原文：https://www.cnblogs.com/dinol/p/11613273.html