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

Table 3

Pepper ARIMA (2, 1, 2)(1, 1, 1)¹² model predictions contrast (unit: RMB/kg).

Date	Observation	Forecast	Date	Observation	Forecast
2012-01	9.84	7.10	2012-07	4.25	4.02
2012-02	7.95	7.57	2012-08	4.16	4.09
2012-03	9.57	7.78	2012-09	4.26	4.40
2012-04	7.96	7.20	2012-10	4.13	4.84
2012-05	6.56	5.74	2012-11	4.39	5.32
2012-06	4.75	4.43	2012-12	5.67	6.12