generated from Python-2026Spring/assignment-05-final-project-template
19 lines
610 B
Python
19 lines
610 B
Python
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import polars as pl
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data_path = "C:/Users/s1313/Desktop/telco_churn_analysis/data/WA_Fn-UseC_-Telco-Customer-Churn.csv"
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try:
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df = pl.read_csv(data_path)
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# 仅当TotalCharges是字符串类型时才处理
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if df["TotalCharges"].dtype == pl.Utf8:
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df = df.with_columns(
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pl.col("TotalCharges").str.replace(" ", "0").cast(pl.Float64, strict=False)
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)
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print("✅ 数据处理完成！")
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print(f"TotalCharges类型：{df['TotalCharges'].dtype}")
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print("\n前2行预览：")
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print(df.head(2))
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except Exception as e:
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print(f"❌ 操作失败：{e}")
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