Table 15.

Performance metrics for the estimated SARIMA model on the test set.

Variable	ME	RMSE	MAE	MPE	MAPE	ACF1
diff(Average speed)	0.19	2.23	1.51	0.23	3.46	0.17
diff(Speeding)	−0.05	0.45	0.31	−1.98	7.25	−0.01
diff(Harsh braking/100 km)	−0.33	1.98	1.61	−5.60	15.04	0.34