関連ワード:  python dataframe change data type to int    python dataframe change column type to int    python dataframe change column type to int64    python dataframe change column type from float to int    python pandas change column type float to int    pandas dataframe change column type to int    pandas change data type to int    pandas change data type to integer    pandas change data type to int64    pandas change column type to int  
結果 : python dataframe change data type to int