| step_ahead,prediction | |
| 1,20.658224016427994 | |
| 2,20.611929088830948 | |
| 3,20.38343036174774 | |
| 4,20.500217765569687 | |
| 5,20.442723274230957 | |
| 6,20.34153425693512 | |
| 7,20.459759324789047 | |
| 8,20.354882270097733 | |
| 9,20.21647357940674 | |
| 10,20.138896048069 | |
| 11,20.115534007549286 | |
| 12,20.052362620830536 | |
| 13,19.997641533613205 | |
| 14,19.946643352508545 | |
| 15,19.98468244075775 | |