Research Article
Regular Vehicle Spatial Distribution Estimation Based on Machine Learning
Table 3
The average effect of different observed features on model performance.
| Observed features | ACC | MAR | MAP | CBA | F1 |
| Relative position + relative velocity | 0.754 | 0.758 | 0.756 | 0.666 | 0.734 | Relative position + time headway | 0.937 | 0.944 | 0.921 | 0.865 | 0.924 | Relative position + relative acceleration | 0.730 | 0.746 | 0.735 | 0.626 | 0.706 | Relative position + relative velocity + relative acceleration | 0.714 | 0.732 | 0.723 | 0.605 | 0.695 | Relative position + relative velocity + relative acceleration + time headway | 0.847 | 0.871 | 0.859 | 0.729 | 0.832 |
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