Weighted Modification of Fitting Model GM(1,1) and Its Application

被引：0

作者：

Xu Wenke ^{[1
]}

Cai Tijiu ^{[1
]}

Gu Haiyan ^{[1
]}

机构：

[1] NE Forestry Univ, Coll Sci, Harbin 150040, Peoples R China

来源：

RECENT ADVANCE IN STATISTICS APPLICATION AND RELATED AREAS, VOLS I AND II | 2009年

关键词：

Biaxial Difference; Generalized Weighted Least Square; Initial Predictive Values; Weighted Mean Method; Weighted Error Square Method;

D O I：

暂无

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

Apply multivariate statistical analysis principle and method to build the GM(1, 1) model of grey theory. And fit the GM(1, 1) model parameter by using biaxial difference generalized least square method. As to initial predictive value, weighted modification was done; therefore the fitting curve of GM(1, 1) model is consummated.

引用

页码：2712 / 2715

页数：4

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