A Method of Estimating Gini Index from Grouped Data

被引：0
|
作者：
Liang, Ying [1 ]
Liang, Xue-zhang [2 ]
Jia, Dan-dan [2 ]
机构：
[1] Jilin Univ, Sch Business, Changchun 130012, Peoples R China
[2] Jilin Univ, Sch Math, Changchun 130012, Peoples R China
来源：
INTERNATIONAL CONFERENCE ON HUMANITY AND SOCIAL SCIENCE (ICHSS 2014) | 2014年
关键词：
Lorenz curve; Gini index; Piecewise quadratic interpolation;
D O I：
暂无
中图分类号：
C [社会科学总论];
学科分类号：
03 ; 0303 ;
摘要：
In this paper, we approximate the Lorenz curve by piecewise quadratic interpolation and propose a method of estimating Gini index from grouped data. We apply this method to three actual grouped data to show the method is superior to rectangle rule and trapezoidal rule of estimating Gini index.
引用
收藏
页码：255 / 258
页数：4
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