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。

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The results of using the proposed model indicate that the forecasting result of combining forecasting model is better than that of the single model.

基于该文所开发的预测模型的预测结果表明，组合预测模型的预测结果优于单一模型的预测结果。

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The combination forecasting model of generalized weighted proportional means which to overcome the inadequacy of traditional single market forecasting method, was used to forecast market demands.

运用广义加权平均组合预测模型进行市场需求预测，以克服传统的单一市场预测方法的不足。

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