Last-Mile Shuttle Planning for Improving Bus Commuters’ Travel Time Reliability: A Case Study of Beijing

Table 6

Fitting results of bus arrival intervals.

Departure headway		Gaussian	Weibull	Laplace	Lognormal	Parameters for the best fit
H0 = 1 min	R-square	0.904	0.915	0.942	0.828	a = 0.972
	RMSE	0.045	0.042	0.034	0.060	b = 0.734
H0 = 2 mins	R-square	0.936	0.934	0.973	0.886	a = 1.606
	RMSE	0.022	0.022	0.014	0.029	b = 2.171
H0 = 3 mins	R-square	0.902	0.904	0.962	0.867	a = 2.669
	RMSE	0.016	0.016	0.010	0.019	b = 2.740
H0 = 4 mins	R-square	0.879	0.877	0.969	0.757	a = 3.018
	RMSE	0.016	0.016	0.008	0.022	b = 3.861
H0 = 5 mins	R-square	0.888	0.870	0.968	0.836	a = 2.908
	RMSE	0.016	0.017	0.008	0.019	b = 4.795
H0 = 6 mins	R-square	0.912	0.879	0.989	0.851	a = 2.770
	RMSE	0.014	0.017	0.005	0.018	b = 6.021
H0 = 7 mins	R-square	0.917	0.883	0.989	0.856	a = 2.626
	RMSE	0.014	0.018	0.005	0.019	b = 7.117
H0 = 8 mins	R-square	0.898	0.862	0.989	0.819	a = 3.080
	RMSE	0.014	0.016	0.006	0.018	b = 8.121
H0 = 9 mins	R-square	0.859	0.819	0.976	0.894	a = 2.903
	RMSE	0.017	0.019	0.007	0.013	b = 8.849
H0 = 10 mins	R-square	0.917	0.890	0.987	0.919	a = 3.185
	RMSE	0.012	0.013	0.004	0.008	b = 10.16