| Forecast horizon N | Forecast mse | ||
| Original | Combined | Reduction% | |
| 100 | 5.973 | 5.581 | 6.6 |
| 150 | 6.529 | 6.059 | 7.2 |
| 200 | 5.426 | 5.220 | 3.8 |
| 250 | 6.559 | 6.152 | 6.2 |
| 300 | 6.455 | 6.181 | 4.2 |
| 350 | 6.390 | 6.051 | 5.3 |
| 400 | 5.982 | 5.630 | 5.9 |
| 450 | 5.906 | 5.554 | 6.0 |
| 500 | 5.972 | 5.607 | 6.1 |
| 550 | 6.114 | 5.699 | 6.8 |
| 600 | 6.063 | 5.616 | 7.4 |
| 650 | 5.818 | 5.401 | 7.2 |
| 700 | 5.632 | 5.243 | 6.9 |
| Average | 6.063 | 5.692 | 6.1 |