Decomposition-Based Multistep Sea Wind Speed Forecasting Using Stacked Gated Recurrent Unit Improved by Residual Connections

Table 8

Comparison of the proposed model and other models (c).

	Step	Stacked GRU			EMD-PE-ANN			VMD-Stacked GRU with residual connections
		RMSE	MAE	MAPE	RMSE	MAE	MAPE	RMSE	MAE	MAPE
Area 1	1	0.2429	0.1813	6.8944	0.2715	0.2065	7.8447	0.1366	0.1037	4.1950
	2	0.4433	0.3505	11.8503	0.3980	0.3081	10.2622	0.1600	0.1259	5.0163
	3	0.6021	0.4562	15.7775	0.5010	0.3853	13.1785	0.1650	0.1297	4.4211
Area 2	1	0.3973	0.2907	5.5544	0.4111	0.2984	5.6557	0.2427	0.1775	2.3541
	2	0.5506	0.3970	7.5523	0.5109	0.3673	6.6612	0.2837	0.2087	4.1246
	3	0.9100	0.6679	13.2735	0.7215	0.5899	12.2075	0.3917	0.2875	6.1061
Area 3	1	0.1775	0.1386	3.2802	0.1724	0.1349	3.2383	0.1051	0.0803	1.8354
	2	0.3156	0.2500	6.0146	0.2993	0.2565	4.989	0.1264	0.0980	2.3893
	3	0.4443	0.3515	8.5417	0.4009	0.3203	8.0080	0.1320	0.1038	2.5462