Research Article
Selecting Single Model in Combination Forecasting Based on Cointegration Test and Encompassing Test
Table 7
sMAPE of combined forecast of single models by inclusive test.
| | | Simple average | Weighted optimal | ANN |
| | 12 single models’ combination without cointegration test | 5.00 | 5.42 | 5.88 | | 7 single models’ combination with cointegration test | 4.90 | 5.21 | 5.44 | | 6 single models’ combination with encompassing test (0.01 confidence level) | 5.31 | 5.14 | 5.69 | | 5 single models’ combination with encompassing test (0.05 confidence level) | 4.62 | 4.88 | 5.32 |
|
|
