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Cómo eliminar columnas en pyspark dataframe
>>> a DataFrame[id: bigint, julian_date: string, user_id: bigint] >>> b DataFrame[id: bigint, quan_created_money: decimal(10,0), quan_created_cnt: bigint] >>> a.join(b, a.id==b.id, 'outer') DataFrame[id: bigint, julian_date: string, user_id: bigint, id: bigint, quan_created_money: decimal(10,0), quan_created_cnt: bigint] Hay dos id: biginty quiero eliminar uno. ¿Como lo puedo hacer?