A Grey Model-Least Squares Support Vector Machine Method for Time Series Prediction

被引:3
|
作者
Wang, Ai [1 ]
Gao, Xuedong [1 ]
机构
[1] Univ Sci & Technol Beijing, 30 Xueyuan Rd, Beijing, Peoples R China
来源
TEHNICKI VJESNIK-TECHNICAL GAZETTE | 2020年 / 27卷 / 04期
基金
中国国家自然科学基金;
关键词
economic growth; grey model; least squares support vector machine; time series prediction; FREEWAY;
D O I
10.17559/TV-20200430034527
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this study, the authors aim to solve the time series prediction problem through pre-predicting multiple influence factors of the target sequence. Focusing on two pre-prediction approaches of influence factors (i.e., factors driven approach and time driven approach), we propose a time series prediction method based on the least squares support vector machine and grey model (GM-LSSVM). This method could improve the prediction precision of the target time series by differentiating the data characteristics of influence factors. A case study is put forward to predict China's economy from the perspective of system innovation and technological innovation. We selected public statistics data from 2005 to 2014 from the national bureau. The numerical experiment results illustrate that the accuracy of the GM-LSSVM is able to reach 95%, which proves the effectiveness of our proposed method in practice.
引用
收藏
页码:1126 / 1133
页数:8
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