Short-Term Price Forecasting For Agro-products Using Artificial Neural Networks

文献类型： 外文期刊

第一作者： Li, Gan-qiong

作者： Li, Gan-qiong;Xu, Shi-wei;Li, Zhe-min

作者机构：

关键词： short-term forecasting;neural networks;regression analysis;time series analysis;model

期刊名称：INTERNATIONAL CONFERENCE ON AGRICULTURAL RISK AND FOOD SECURITY 2010

ISSN： 2210-7843

年卷期： 2010 年 1 卷

页码：

收录情况： SCI

摘要： It is well known that short-term market price forecasting has been a difficult problem for a long time because of too many factors which can not be accurately predicted. Conventionally, time series analysis has been often employed in modeling short-term price forecasts. In recent years a new technique of artificial neural networks (ANN) has been proposed as an efficient tool for modeling and forecasting. A feed-forward ANN model has been developed for short-term price forecasting of tomato and in comparison with time series model ARIMA in this study. The data used include daily wholesale price, weekly wholesale price and monthly wholesale price collected between 1996 and 2010. The results showed that ANN model evidently outperformed the time series model in forecasting the price before one day or one week. A good correlation between the modeled and the real prices was observed from the feed-forward ANN model, with a relative error less than 5.0%. (C) 2010 Published by Elsevier B.V.

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