Research Article
Railroad Track Deterioration Characteristics Based Track Measurement Data Mining
Table 2
Error statistics for the twist predictions.
| Date | Mean (mm) | Standard deviation (mm) | Mean absolute error (mm) |
| Sep. 24 | −0.0070 | 0.6156 | 0.3783 | Oct. 10 | 0.0099 | 0.5360 | 0.3174 | Oct. 30 | −0.0033 | 0.4442 | 0.2606 | Nov. 13 | −0.0020 | 0.5549 | 0.3592 | Dec. 12 | 0.0016 | 0.7457 | 0.4952 | Dec. 25 | 0.0006 | 0.5979 | 0.3998 |
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