Exploring the Behavior-Driven Crash Risk Prediction Model: The Role of Onboard Navigation Data in Road Safety

Table 2

Real ratio of positive to negative cases in each dataset.

Time interval (min)	Theoretical ratio
	1 : 1	1 : 3	1 : 10	1 : 20
5	151 : 134	151 : 433	151 : 1420	151 : 2873
15	213 : 232	213 : 655	213 : 2001	213 : 4085
30	265 : 249	265 : 736	265 : 2365	265 : 4867
45	276 : 275	276 : 775	276 : 2534	276 : 5272
60	284 : 282	284 : 815	284 : 2661	284 : 5480