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*** KeyError: "None of [Index(['column_name'], dtype='object')] are in the [columns]"
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*** KeyError: "None of [Index(['column_name'], dtype='object')] are in the [columns]"
python
pandas
【Pythonエラー】Pandas Dataframeカラム名指定でKey Error→カラム名確認して原因特定 - Qiita
自分もカラム名('column_name')のtypoだった。