Table 8.

Hierarchical forecasting for Australian tourism visitor nights: Coherence performance metric.

Metric	Forecast Horizon (h)
	1	2	3	4	5	6	7	8
	Hierarchical level 0: Total—Australia
MSE	0.03	0.016	0.015	0.02	0.023	0.021	0.021	0.025
	Hierarchical level 1: Purpose of travel
MSE	0.0009	0.001	0.0019	0.0014	0.0011	0.0011	0.0019	0.0026
	Hierarchical level 2: States
MSE	0.00061	0.0008	0.9	0.1	0.1	0.03	0.05	0.1