_engine.get_loc(casted_key) 2899除KeyError as err:pandas._libs.index.IndexEngine.get_loc()中的pandas/_libs/index.pyx
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我在np.where中使用了pandas,它提高了KeyError。示例: df['col_result'] = np.where('col1' in df.columns, df['col1'], 'None')
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pandas\_libs\index.pyx in
当我在中使用熊猫和使用pandas默认值时,我得到了不同的结果 country leagueBrazil Copa do Nordeste 2020-02-02 22:00:00 Fortaleza Ceara 1 1import pandas as pd
selection_db = historica