A New Dual-Mode GEP Prediction Algorithm Based on Irregularity and Similar Period

Table 4

Sunspot GEP-IPM-SPM comparative test data conclusion.

	Expected accuracy	Average time (ms)	MAPE	MSE mean	R^2 mean
GEP	—	8278	75.66	1003.21	0.6515
IPM	0.5	2595	38.16	316.91	0.8294
	0.35	63933	34.37	298.85	0.8436
SPM	0.5	2030	39.39	260.63	0.8032
	0.35	10442	28.69	218.44	0.8512
	0.25	232161	22.91	185.96	0.862
	0.2	1870369	17.73	157.72	0.8971