Incorporating the auxiliary information available in variance estimation

被引：32

作者：

Arcos, A ^{[1
]}

Rueda, M ^{[1
]}

Martínez, MD ^{[1
]}

González, S ^{[1
]}

Román, Y ^{[1
]}

机构：

[1] Univ Granada, Dept Stat & Operat Res, E-18071 Granada, Spain

来源：

APPLIED MATHEMATICS AND COMPUTATION | 2005年 / 160卷 / 02期

关键词：

auxiliary information; finite population variance;

D O I：

10.1016/j.amc.2003.11.010

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

A difference estimator using an auxiliary variable x is defined to estimate the finite population variance S-y(2) of the study character y. Classical difference type estimators use auxiliary information based on a single auxiliary parameter, specifically the parameter of interest, associated with the auxiliary variable. In practice, however, several parameters for auxiliary variables are available. This paper discusses how such estimators can be modified to improve the usual methods if information related to other parameters associated with an auxiliary variable is known. A simulation study is carried out to demonstrate the superiority of the suggested estimator over the others. (C) 2003 Elsevier Inc. All rights reserved.

引用

页码：387 / 399

页数：13

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