Table 3: Some data statistics of each algorithm.

Algorithm (testing)   RMSE (testing)Time (seconds)
TrainingTesting

BP NN without SFB0.08270.12930.8499550.013285
BP NN with SFB0.08040.12720.9262920.013828
ELM without SFB0.07700.11870.0006780.000072
ELM with SFB0.03550.11060.0005460.000089