摘要
通过对现有灰关联度模型的研究,依据数据序列时点间相对斜率差来计算关联系数,并基于离差最大化和最大熵原理,计算了各指标关联系数的权重,建立了改进的灰关联度模型;实例验证,方法所得分析结果与定性分析相一致,分辨效果更好,具有较高的可靠性和应用性。
Through the studies on current grey correlation models, the correlation coefficients are calculated based on relative slope difference between two adjacent samples point of the corresponding curves, the weights of correlation coefficients of each indicator are calculated based on deviation maximization and maximum entropy principle ,therefore, an improved grey correlation model is set up. Example tests show that the results from this method are consistent with the results of quantitative analysis, this method has better analytic effect and has higher reliability and practicability
出处
《重庆工商大学学报（自然科学版）》
2014年第1期53-55,60,共4页
Journal of Chongqing Technology and Business University:Natural Science Edition
基金
校级科研项目(slgky13-44)
关键词
灰色关联度
相对斜率
最大熵原理
grey correlation degree
relative slope
maximum entropy principle
