| step_ahead,prediction | |
| 1,15.306939973861107 | |
| 2,15.474005411962779 | |
| 3,15.802872894091578 | |
| 4,15.805274245994092 | |
| 5,16.022610999424018 | |
| 6,15.551439948821239 | |
| 7,15.838945530837437 | |
| 8,15.710475217830256 | |
| 9,16.44543884895029 | |
| 10,16.10636585359472 | |
| 11,15.854371064475172 | |
| 12,15.79134603318526 | |
| 13,16.286555852481598 | |
| 14,16.041531830721944 | |
| 15,15.800068167117841 | |