Research Article

Analysis and Prediction of the Interval Duration between the First and Second Accidents considering the Spatiotemporal Threshold

Table 5

Optimized values of RF hyperparameters.

HyperparameterSearch spaceThe optimal value

Number of decision trees[50, 500]245
Maximum depth of decision tree[1, 8]5
Minimum number of samples required for subdividing internal nodes[1, 10]3
Minimum number of samples for leaf nodes[1, 10]7