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Construction of an Early-Warning System for Vegetable Prices Based on Index Contribution Analysis

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  • Youzhu Li

    (College of Public Administration, Huazhong Agricultural University, Wuhan 430070, China)

  • Jingbo Xia

    (College of Informatics, Huazhong Agricultural University, Wuhan 430070, China)

  • Chongguang Li

    (College of Economics and Management, Huazhong Agricultural University, Wuhan 430070, China)

  • Mingyang Zheng

    (College of Public Administration, Huazhong Agricultural University, Wuhan 430070, China)

Abstract

An early-warning indicator screening method is proposed in order to construct an early-warning system for vegetable prices. Through index contribution analysis and the application of a support vector regression algorithm, we compare the results of early warning before and after index optimization. Experimental results show that the proposed early-warning system was significantly improved after indicator optimization by using index contribution analysis.

Suggested Citation

  • Youzhu Li & Jingbo Xia & Chongguang Li & Mingyang Zheng, 2015. "Construction of an Early-Warning System for Vegetable Prices Based on Index Contribution Analysis," Sustainability, MDPI, vol. 7(4), pages 1-15, March.
    • Handle: RePEc:gam:jsusta:v:7:y:2015:i:4:p:3823-3837:d:47536
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    References listed on IDEAS

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    Cited by:

    1. Youzhu Li & Jinsi Liu & Hongyu Yang & Jianxin Chen & Jason Xiong, 2021. "A Bibliometric Analysis of Literature on Vegetable Prices at Domestic and International Markets—A Knowledge Graph Approach," Agriculture, MDPI, vol. 11(10), pages 1-17, September.

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