Underwater Acoustic Signal Prediction Based on MVMD and Optimized Kernel Extreme Learning Machine

Table 5

Mackey–Glass time series Diebold–Mariano test.

Contrast model	SVM	RBF	KELM	ARIMA	PSO-KELM	OKELM	EMD-OKELM
DM statistics	7.5331	5.2689	9.9808	3.6787	3.8636	4.2316	4.9802
P value	0.0000	0.0000	0	0.0001	0.0000	0.0000	0.0000

A confidence interval of 1%.