Vegetable Price Prediction Based on PSO-BP Neural Network

文献类型: 外文期刊

第一作者: Ye Lu

作者: Ye Lu;Li Yuping;Liang Weihong;Song Qidao;Liu Yanqun;Qin Xiaoli

作者机构:

关键词: PSO;BP Neural Network;Vegetable Price;Prediction

期刊名称:PROCEEDINGS OF 8TH INTERNATIONAL CONFERENCE ON INTELLIGENT COMPUTATION TECHNOLOGY AND AUTOMATION (ICICTA 2015)

ISSN: 1949-1263

年卷期: 2015 年

页码:

收录情况: SCI

摘要: In order to predict vegetable price accurately, 117 sets of green pepper and related factors price data from 2012 to 2015 in Danzhou city were selected as the sample data, of which 100 groups were training data and 17 groups were test data. Based on analyzing fluctuant features of vegetable price, with the global stochastic optimization idea to optimize initial weights and thresholds of back propagation (BP) neural network, the PSO-BP prediction model concerning vegetable retail price was set up by using the particle swarm optimization (PSO) algorithm. The experimental results indicated that compared with the traditional BP method, the PSO-BP method could overcome the over-fitting problem and the local minima problem, effectively reduced training error and increased the predicting precision.

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