Study of Railway Track Irregularity Standard Deviation Time Series Based on Data Mining and Linear Model

Table 2

Model accuracy.

Units	MSE	MAPE
K449 + 000 − K449 + 025	0.03	3.5%
K449 + 100 − K449 + 125	0.02	2.0%
K449 + 200 − K449 + 225	0.03	2.1%
K449 + 325 − K449 + 350	0.02	2.0%
K449 + 425 − K449 + 450	0.02	1.8%
K449 + 475 − K449 + 500	0.03	2.8%
K449 + 575 − K449 + 600	0.03	1.9%
K449 + 675 − K449 + 700	0.03	1.1%
K449 + 800 − K449 + 825	0.02	0.8%
K449 + 875 − K449 + 900	0.02	1.3%
K449 + 975 − K450 + 000	0.02	1.7%