A Hybrid Neural Network and H-P Filter Model for Short-Term Vegetable Price Forecasting

Table 6

Tomato ARIMA (1, 1, 1)(1, 1, 1)¹² model predictions contrast (unit: RMB/kg).

Date	Observation	Forecast	Date	Observation	Forecast
2012-01	5.82	5.26	2012-07	3.75	3.36
2012-02	5.92	5.48	2012-08	4.61	3.65
2012-03	6.42	5.28	2012-09	5	3.95
2012-04	6.69	5.15	2012-10	4.41	4.31
2012-05	5.17	4.42	2012-11	4.75	4.58
2012-06	3.78	3.49	2012-12	5.46	4.90