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

Table 5

The directional statistic (D_stat) values of different prediction models.

Dataset	Horizon	MICEEMDAN -WOA-RVFL	RW	LSSVR	BPNN	ICEEMDAN -RW	ICEEMDAN -LSSVR	ICEEMDAN -BPNN
WTI	1	0.9381	0.4815	0.5243	0.5191	0.4977	0.9190	0.9097
	3	0.8576	0.4873	0.5087	0.5012	0.4907	0.8300	0.8449
	6	0.7737	0.5116	0.4902	0.4948	0.5185	0.7714	0.7575
USD/EUR	1	0.9410	0.5019	0.4719	0.4897	0.5056	0.8998	0.9026
	3	0.8502	0.4888	0.4897	0.4925	0.4916	0.8118	0.8024
	6	0.7828	0.4991	0.5318	0.5253	0.5047	0.7023	0.7154
IP	1	0.9256	0.5579	0.5909	0.5785	0.5620	0.8636	0.8760
	3	0.8802	0.6983	0.5455	0.4876	0.6529	0.8430	0.8058
	6	0.8141	0.6198	0.5537	0.5661	0.6405	0.7355	0.7645
SSEC	1	0.9156	0.4944	0.5049	0.5098	0.4979	0.9024	0.9002
	3	0.8396	0.5042	0.5021	0.5007	0.4965	0.8222	0.8145
	6	0.7587	0.4833	0.5063	0.4965	0.4805	0.7448	0.7455