Tourism Demand Forecasting Based on Grey Model and BP Neural Network

Table 3

Relative error table of predicted value.

	GM model prediction	Univariate predicted value	Multivariable predictive value	Combined model prediction
MAD	0.3742	0.1819	0.2534	0.1849
MSE	0.5189	0.0968	0.1321	0.0588
MAPE	2.5245	1.5235	1.9528	1.5884