As the example of the single vegetable species cabbage, its price problem is studied quantificationally in the facts of identification, diagnose, mimic and forecasting by using ARIMA model.

• 从研究单一蔬菜品种卷心菜开始,利用ARIMA理论和方法,从模型的识别、诊断、拟合与预测定量地研究其价格的问题。