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Pandas

pandas

指定列的名称

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data = pd.read_csv(file_path, 
                    sep=",", 
                    names=["Sepal_Length", "Sepal_Width",
                        "Petal_Length", "Petal_Width", "label"])

替换列的值

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data["label"].replace("Iris-setosa", 0, inplace=True)