Fig 1.
Basic principles of GBDT.
Table 1.
Correlation coefficients between hit-and-run and various variables.
Table 2.
Classification of research variables.
Table 3.
Description of hit-and-run data for each variable.
Table 4.
GBDT model parameter calibration.
Fig 2.
Relative importance of hit-and-run variables.
Fig 3.
Output values (Oi) of top five variables in importance ranking.
Table 5.
Odds ratios of variables.
Fig 4.
The interaction effect of SU and C on hit-and-run crashes.
Fig 5.
The interaction effect of SU and I on hit-and-run crashes.
Fig 6.
The interaction effect of C and I on hit-and-run crashes.
Table 6.
Model validation comparison.