Table 4. ARIMA (0,1,0) (0,1,1) model statistics for inbound air travelers to Jeju

ARIMA	Model fit statistics					Ljung-box Q
	Stationary R-squared	R-squared	RMSE	MAPE	Normalized BIC	Statistics	Degree of freedom	p-value
Model_1	.810	.810	106,884.15	7.658	23.651	22.683	17	.160