The forecast table is not created because no forecasts ?

[Hans Chen]

 

Dear Lister

 

Attached are part of my output. After running my Sales Model Using Expert Modeller in SPSS 17.0, I got the following warnig: The forecast table is not created because no forecasts could be calculated. Could you please show me how to fixed this issue and get forecasts? 

 

Thanks!

 

 

Han Chen

===============================================================================================================

Model Fit
Fit Statistic	Mean	SE	Minimum	Maximum	Percentile
					5	10	25	50	75	90	95
Stationary R-squared	.499	.	.499	.499	.499	.499	.499	.499	.499	.499	.499
R-squared	.873	.	.873	.873	.873	.873	.873	.873	.873	.873	.873
RMSE	152718.618	.	152718.618	152718.618	152718.618	152718.618	152718.618	152718.618	152718.618	152718.618	152718.618
MAPE	8.301	.	8.301	8.301	8.301	8.301	8.301	8.301	8.301	8.301	8.301
MaxAPE	107.801	.	107.801	107.801	107.801	107.801	107.801	107.801	107.801	107.801	107.801
MAE	94374.140	.	94374.140	94374.140	94374.140	94374.140	94374.140	94374.140	94374.140	94374.140	94374.140
MaxAE	854134.210	.	854134.210	854134.210	854134.210	854134.210	854134.210	854134.210	854134.210	854134.210	854134.210
Normalized BIC	23.974	.	23.974	23.974	23.974	23.974	23.974	23.974	23.974	23.974	23.974

 

Model Statistics
Model	Number of Predictors	Model Fit statistics	Ljung-Box Q(18)			Number of Outliers
		Stationary R-squared	Statistics	DF	Sig.
Sales-Model_1	0	.499	28.909	16	.025	0