Table 8. Comparison of six models evaluation indexes.

Model	MAPE	RMSE	MAE	R2
MLP	0.0212	7.5799	5.6275	0.9918
RNN	0.0148	4.7028	3.4576	0.9968
LSTM	0.0109	3.3225	2.4217	0.9984
GRU	0.0115	3.2126	2.3824	0.9985
SSA-LSTM	0.0095	2.8525	1.9701	0.9988
MSMSSA-LSTM	0.0088	2.6409	1.8251	0.9990