Dear all, I have a data frame, where multible process and ordering done ..can I re arrange (re order ) it regarding it' s original ROW index ? how? example Xi items numrber_list_items 3 8 8, 7, 3, 4 4 2 7 7, 3, 4 0 1 10 10 1 result should be starting from row index 1 to 3. thanks in advance Ragia [[alternative HTML version deleted]]