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中级

KMeans-标准化影响

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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.cluster import KMeans
    from sklearn.preprocessing import StandardScaler
    from sklearn.metrics import silhouette_score
    df = pd.read_csv(____)
    X = df.drop(____)
    kmeans1 = KMeans(____)
    labels1 = kmeans1.fit_predict(____)
    score1 = silhouette_score(____)
    scaler = StandardScaler()
    X_scaled = scaler.fit_transform(____)
    kmeans2 = KMeans(____)
    labels2 = kmeans2.fit_predict(____)
    score2 = silhouette_score(____)
    print('____', round(____))
    print('____', round(____))

示例

输入
solve()
期望输出
标准化前: 0.5528
标准化后: 0.4599
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