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中级

决策树-最小样本分割

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中级参考 代码结构已给出,请填写 ____ 处
def solve():
    import pandas as pd
    from sklearn.tree import DecisionTreeClassifier
    from sklearn.model_selection import train_test_split
    from sklearn.metrics import accuracy_score
    df = pd.read_csv(____)
    X = df.drop(____)
    y = df['____']
    X_train, X_test, y_train, y_test = train_test_split(____)
    for mss in [____, ____, ____, ____]:
        dt = DecisionTreeClassifier(____)
        dt.fit(____)
        acc = accuracy_score(y_test, dt.predict(____))
        print(____)

示例

输入
solve()
期望输出
min_samples_split=2: 1.0000
min_samples_split=5: 1.0000
min_samples_split=10: 1.0000
min_samples_split=20: 1.0000
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