Prediction of Vegetable Supply in Henan Province Based on PSO-GM (1, N) Model

GM (1, N) model is one of the grey prediction models considering the influence of many factors. This paper improves GM (1, N) model and constructs PSO-GM (1, N) model. Firstly, Lasso method is used to select the influencing factors, then the priority of influencing factors and the value of parameter...

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Bibliographic Details
Main Authors: Xueqiang Guo, Bingjun Li
Format: Article
Language:English
Published: Wiley 2021-01-01
Series:Journal of Mathematics
Online Access:http://dx.doi.org/10.1155/2021/7874564
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