Examining the Impact of Different Periodic Functions on Short-Term Freeway Travel Time Prediction Approaches

Table 4

Aggregation level suggestions and periodic function suggestions.

Models	Minutes forecasting ahead (min)	Aggregating level suggestions (min)	Periodic function suggestions
SVM, BPNN	5	5	—
	10	10	—
	15	15	—
	30	15	—
	45	15	—
	60	15	TPF
	90	15	TPF
	120	15	TPF
ARIMA, ST, VAR, MLR	5	5	TPF
	10	10	SA
	15	15	SA
	30	15	SA
	45	15	SA
	60	15	SA
	90	15	SA
	120	15	SA