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요약정보
基于灰色预测算法的图情数据分析技术 / Graphic Data Analysis Technology Based on Grey Prediction Algorithm
Resource Type
Academic Journal
Authors
付新贺
;
袁永旭
;
FU Xinhe
;
YUAN Yongxu
Source
电子科技 / Electronic Science and Technology
. 33(7):67-70
Subject
灰色预测
差值加权
光滑度
欧拉修正
白化微分方程
Language
Chinese
ISSN
1007-7820
Online Access
Find it @ DONGA
초록
灰色预测是图情数据预测分析的常用算法之一,但传统的灰色预测模型在预测低光滑性数据序列时准确率低.针对此问题,文中提出了一种差值加权光滑处理方法,并采用欧拉修正的方式弥补误差.将改进后的灰色预测模型在某图书馆借阅数据库上进行测试,测试与分析结果表明,该模型预测结果相对误差的方差由0.32减至0.142,平均相对误差绝对值减小了4.458%.改进的灰色预测模型能够处理光滑度较低的图书馆借阅数据,并准确地对其进行预测,为图书馆优化工作效率与信息化建设提供支撑.
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