Research Article
A CEEMDAN and XGBOOST-Based Approach to Forecast Crude Oil Prices
Table 6
Wilcoxon signed rank test between XGBOOST, SVR, and FNN with EEMD or CEEMDAN.
| ā | CEEMDAN-XGBOOST | EEMD-XGBOOST | CEEMDAN-SVR | EEMD-SVR | CEEMDAN-FNN | EEMD-FNN |
| CEEMDAN-XGBOOST | 1 | 3.5544e-05 | 1.8847e-50 | 0. 0028 | 1.6039e-187 | 0.0726 | EEMD-XGBOOST | 3.5544e-05 | 1 | 4.5857e-07 | 0. 3604 | 8.2912e-82 | 0.0556 | CEEMDAN-SVR | 1.8847e-50 | 4.5857e-07 | 1 | 4.9296e-09 | 5.7753e-155 | 8.6135e-09 | EEMD-SVR | 0.0028 | 0. 3604 | 4.9296e-09 | 1 | 2.5385e-129 | 0.0007 | CEEMDAN-FNN | 1.6039e-187 | 8.2912e-82 | 5.7753e-155 | 2.5385e-129 | 1 | 8.1427e-196 | EEMD-FNN | 0.0726 | 0.0556 | 8.6135e-09 | 0.0007 | 8.1427e-196 | 1 |
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