Railroad Track Deterioration Characteristics Based Track Measurement Data Mining

Table 1

Error statistics for the right alignment predictions.

Date	Mean (mm)	Standard deviation (mm)	Mean absolute error (mm)
Sep. 24	−0.0025	0.3740	0.2412
Oct. 10	0.0005	0.3300	0.2131
Oct. 30	0.0021	0.4165	0.2829
Nov. 13	−0.0033	0.3810	0.2575
Dec. 12	0.0059	0.3859	0.2391
Dec. 25	−0.0031	0.2638	0.1607