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中级

Pipeline+GridSearch

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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.pipeline import Pipeline
    from sklearn.preprocessing import StandardScaler
    from sklearn.svm import SVC
    from sklearn.model_selection import GridSearchCV, train_test_split
    df = pd.read_csv(____)
    X = df.drop(____); y = df["____"]
    X_train, X_test, y_train, y_test = train_test_split(____)
    pipe = Pipeline([("____", StandardScaler()), ("____", SVC(____))])
    gs = GridSearchCV(____)
    gs.fit(____)
    bp = gs.best_params_
    print(____)

示例

输入
solve()
期望输出
1:0.01;0.9624
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