Prediction and Early Warning Methods for Agricultural Commodity Price Based on SSA-LSTM

Dian Zhang Dian Zhang, Yi-Qun Wang Dian Zhang, Wen-bai Chen Yi-Qun Wang
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Abstract

China is a large agricultural country. Fluctuations in the prices of agricultural products can have a significant impact on the income of farmers. It is also a barometer of the agricultural market. Accurate and effective price forecasting of agricultural products plays an important role in strengthening agricultural informatization. Therefore, it is important to explore the characteristics and laws of agricultural price fluctuations to stabilize agricultural market prices and protect farmers’ incomes. This paper takes the price of pork among agricultural products as an example. This paper summarises several key factors that influence pork price fluctuations. Ultimately, this paper uses three pig prices, namely Outer Ternary, Inner Ter-nary and Black pig, and two feed ingredient prices, namely soybean meal, and maize, for a total of five indicators to forecast pork prices. This study uses the Sparrow Search Algorithm (SSA) to optimize the Long Short-Term Memory (LSTM) hyperparameters to enhance the forecasting capability of the LSTM. An early warning mechanism for pork prices was established to warn of pork price fluctuations. The experimental results verified the prediction accuracy of the proposed model and the effectiveness of the early warning mechanism.  
基于SSA-LSTM的农产品价格预测预警方法
中国是一个农业大国。农产品价格的波动会对农民的收入产生重大影响。它也是农业市场的晴雨表。准确有效的农产品价格预测对加强农业信息化具有重要作用。因此,探索农产品价格波动的特点和规律,对于稳定农产品市场价格、保障农民收入具有重要意义。本文以农产品中的猪肉价格为例。本文总结了影响猪肉价格波动的几个关键因素。最后,本文采用外三元、内三元、黑猪三个猪价,豆粕、玉米两个饲料原料价格,共五个指标来预测猪肉价格。本研究采用麻雀搜索算法(SSA)对长短期记忆(LSTM)超参数进行优化,以增强LSTM的预测能力。建立猪肉价格预警机制,对猪肉价格波动进行预警。实验结果验证了该模型的预测精度和预警机制的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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