DNA Optimization Threshold Autoregressive Prediction Model and Its Application in Ice Condition Time Series

Table 1

The comparison of the prediction results for DNAOTARPM, IGATARPM, and SGATARPM at Bohai.

Methods	Parameters							Objective function; minimum f
	𝑟(1)	𝑏(1,1)	𝑏(1,3)	𝑏(1,4)	𝑏(2,1)	𝑏(2,3)	𝑏(2,4)
	[−1.0,1.0]	[−0.5,0.5]	[−0.5,0.5]	[−0.5,0.5]	[−0.5,0.5]	[−0.5,0.5]	[−0.5,0.5]
DNAO-TARPM	−0.02	0.34	0.24	−0.36	0.13	0.39	−0.46	0.5737
IGA-TARPM	−0.75	0.12	0.40	−0.20	0.20	0.28	−0.44	0.6016
SGA-TARPM	0.90	0.26	0.33	−0.50	−0.06	−0.35	0.36	0.6380