Track Irregularity Time Series Analysis and Trend Forecasting

Table 4

Error distribution of forecasted data.

Models	Error range	|𝑟|>1	0.5<|𝑟|≤1	0.2<|𝑟|≤0.5	0≤|𝑟|≤0.2
AR	Amount	44	104	82	70
	Percentage	15%	35%	27%	23%
Kalman filtering	Amount	37	99	87	77
	Percentage	12%	33%	29%	26%
ANN	Amount	36	65	99	100
	Percentage	12%	22%	33%	33%