A New Approach for Reconstruction of IMFs of Decomposition and Ensemble Model for Forecasting Crude Oil Prices

Table 10

Test of correlation among the two components for daily and weekly data.

Data		Method	Correlation	t statistic	d.f	value
Brent	Daily	R	0.004	0.534	12434	0.592
		AMI	0.010	1.112	12434	0.266
	Weekly	R	0.016	0.791	2486	0.429
		AMI	0.026	1.291	2486	0.197
WTI	Daily	R	0.009	0.873	9058	0.383
		AMI	0.010	0.922	9058	0.356
	Weekly	R	0.017	0.760	1810	0.447
		AMI	0.035	0.501	1810	0.133

Alternative hypothesis: true correlation is not equal to zero.