Research Article

Regular Vehicle Spatial Distribution Estimation Based on Machine Learning

Table 3

The average effect of different observed features on model performance.

Observed featuresACCMARMAPCBAF1

Relative position + relative velocity 0.7540.7580.7560.6660.734
Relative position + time headway 0.9370.9440.9210.8650.924
Relative position + relative acceleration 0.7300.7460.7350.6260.706
Relative position + relative velocity + relative acceleration 0.7140.7320.7230.6050.695
Relative position + relative velocity + relative acceleration + time headway 0.8470.8710.8590.7290.832