Traffic Accident Prediction Based on LSTM-GBRT Model

Table 2

Chi-square value and Pearson coefficient value.

Variable	Chi-square value	Pearson coefficient value
GDP	3050901	−0.799
Gross national income	3047539	−0.799
Per capita GDP	212068.8	−0.801
Highway mileage	1030.5	−0.728
Highway mileage of high-speed roads	53.8	−0.749
Number of civilian vehicles	90673.9	−0.764
Number of drivers	119582.7	−0.766
Passenger traffic	5040066	−0.555
Road passenger traffic	5131653	−0.498
Total population at the end of the year	2764.561	−0.649
Male population	1353.25	−0.598
Female population	1433.637	−0.696
Urban population	48875.14	−0.693
Rural population	16934.48	+0.716