A Hybrid Approach Integrating Multiple ICEEMDANs, WOA, and RVFL Networks for Economic and Financial Time Series Forecasting

Table 7

The mean absolute percent error (MAPE) values of single decomposition and multiple decompositions.

Dataset	Horizon	MICEEMDAN-WOA-RVFL	ICEEMDAN-WOA-RVFL1	ICEEMDAN-WOA-RVFL2	ICEEMDAN-WOA-RVFL3	ICEEMDAN-WOA-RVFL4	ICEEMDAN-WOA-RVFL5	Mean
WTI	1	0.0036	0.0043	0.0045	0.0045	0.0041	0.0040	0.0043
	3	0.0080	0.0088	0.0084	0.0084	0.0082	0.0083	0.0084
	6	0.0113	0.0132	0.0115	0.0113	0.0118	0.0120	0.0112
USD/EUR	1	0.0006	0.0011	0.0010	0.0008	0.0010	0.0008	0.0009
	3	0.0015	0.0021	0.0021	0.0015	0.0017	0.0015	0.0018
	6	0.0022	0.0033	0.0022	0.0023	0.0023	0.0024	0.0025
IP	1	0.0012	0.0016	0.0016	0.0017	0.0017	0.0015	0.0016
	3	0.0023	0.0024	0.0026	0.0030	0.0028	0.0024	0.0026
	6	0.0032	0.0036	0.0034	0.1114	0.0036	0.0041	0.0252
SSEC	1	0.0020	0.0024	0.0023	0.0026	0.0023	0.0023	0.0024
	3	0.0044	0.0045	0.0046	0.0052	0.0045	0.0047	0.0047
	6	0.0065	0.0067	0.0070	0.0085	0.0068	0.0075	0.0073