Research Article
A Combined Prediction Model for Hog Futures Prices Based on WOA-LightGBM-CEEMDAN
| | Model | Parameters setting |
| | CEEMDAN | Trials = 100; epsilon = 0.005 | | EEMD | Trials = 100; noise_width = 0.05 | | WOA-LightGBM | n_estimators = 18; learning_rate = 0.027; max_depth = 10; num_leaves = 9 | | WOA-XGBoost | n_estimators = 38; learning_rate = 0.064; colsample_bytree = 0.3015; max_depth = 54; subsample = 0.2258 | | WOA-GBDT | n_estimators = 10; learning_rate = 0.1002; min_samples_leaf = 10; max_depth = 12; min_samples_split = 4 | | ELM | Number of nodes in the hidden layer: 10 | | BPNN | Number of nodes in the hidden layer: 8 | | SVR | C = 40; gamma = 36 | | WOA | Number of iterations: 100; population size: 10 | | GWO | Number of iterations: 100; population size: 10 |
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