基尼系数估算三种方法等价性的证明  

Proof of Equivalence of Three Methods for Estimation of Gini Coefficient

作　　者：牛晓奇[1] 

机构地区：[1]安阳师范学院数学科学学院,河南安阳455000

出　　处：《信阳师范学院学报（自然科学版）》2009年第3期364-367,370,共5页Journal of Xinyang Normal University(Natural Science Edition)

基　　金：河南省自然科学基金项目(0511013800)

摘　　要：用梯形法、矩形法、基尼计算法详细推导了基尼系数,并证明了在人口等分的条件下,这3种方法的等价性.Gini coefficient was detailed with trapezoidal method, rectangular method and Gini calculation. It was proved that the trapezoidal method, rectangular method and Gini calculation ean be equivalent under the condition of equal division of population.

关 键 词：基尼系数 洛伦兹曲线 梯形法 矩形法 基尼计算法 

分 类 号：O242.2[理学—计算数学]