An improved estimator to analyse missing data

被引:9
作者
Gonzalez, S. [2 ]
Rueda, M. [1 ]
Arcos, A. [1 ]
机构
[1] Univ Granada, Granada, Spain
[2] Univ Jaen, Jaen, Spain
关键词
Auxiliary Variable; Simple Random Sampling; Auxiliary Information; Improve Estimator; Relative Mean Square Error;
D O I
10.1007/s00362-007-0045-8
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
Missing data due to nonresponse, though undesirable, is a reality of any survey. In this paper we consider a situation in which, at a given time, observations are missing for one of the several auxiliary characteristics; thus the 'missing' phenomenon occurs for the characteristics separately but not simultaneously. A new method, making use of all the available observations, is proposed. A simulation study based on three real populations was performed to test the proposed technique.
引用
收藏
页码:791 / 796
页数:6
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