from sklearn.datasets import load_iris
from sklearn.model_selection import train_test_split
from sklearn.tree import DecisionTreeClassifier
from sklearn.tree import export_graphviz
from sklearn.model_selection import GridSearchCV
def decision_tree_iris()
决策树之分类树——鸢尾花分类实战(网格系数与交叉验证)
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转载自blog.csdn.net/weixin_44010756/article/details/112253621
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