У меня есть dataframe, подобный следующему: s = sc.parallelize ([Row (items = [1], freq = 3), Row (items = [2], freq = 3), Row (items = [2, 1] , freq = 3), Row (items = [5], freq = 2), Row (items = [5, 2], freq = 2), Row (items = [5, ...
вопрос задан: 1 August 2017 02:56