Table 2: 1h-ahead prediction comparison among the Elman, ELM, and GA-ELM models.

Prediction method MAPE RMSE MAXERROR
Elman 9.2430 2.2872 12.1871
ELM 15.7708 2.9498 18.6572
GA-ELM 6.9519 1.1603 6.9477