Predicting Taxi-Out Time at Congested Airports with Optimization-Based Support Vector Regression Methods

Table 3

A comparison of performance measures for each predictive method at PEK airport.

Performance measure	Date	GLR	SR	ANN	PSO-SVR	IFA-SVR
Mean predicted taxi-out time (min)	13th	16.59	14.83	15.21	15.76	15.17
	14th	13.37	13.94	13.49	14.31	14.16
	15th	18.57	17.80	18.41	18.16	18.11
Median predicted taxi-out time (min)	13th	13.49	14.00	12.96	14.06	13.38
	14th	13.73	12.00	13.00	13.29	13.29
	15th	18.47	17.00	16.13	17.56	17.52
Std. dev. predicted taxi-out time (min)	13th	1.91	6.73	7.41	8.05	8.2
	14th	1.72	4.82	5.59	6.09	6.29
	15th	4.78	8.32	8.51	9.07	9.12