Figure 4

Performance of the best models in sediment discharge prediction in the training, validation, and testing phases (a) GMDH-HGSO; (b) GMDH-EO; (c) SVR-HGSO; (d) SVR-EO.
Performance of the best models in sediment discharge prediction in the training, validation, and testing phases (a) GMDH-HGSO; (b) GMDH-EO; (c) SVR-HGSO; (d) SVR-EO.