Investigating the Affecting Factors of Speed Dispersion for Suburban Arterial Highways in Nanjing, China

Table 5

Model validation results.

Validation Dataset	Max	Min	Mean	RMSE	MAPE
Field	7.206	4.183	5.541	0.998	15.6%
Predicted	8.529	3.372	5.810
Field	24.021	5.999	11.638	5.125	19.8%
Predicted	23.742	5.838	12.085

Note: RMSE denotes root mean square error; MAPE denotes absolute percentage error.