EXAMPLES OF DIFFERING WEIGHTED AND UNWEIGHTED ESTIMATES FROM A SAMPLE SURVEY

被引:142
作者
KORN, EL [1 ]
GRAUBARD, BI [1 ]
机构
[1] NCI,BIOMETRY BRANCH,BETHESDA,MD 20892
关键词
BIAS; INTERACTION; SAMPLING WEIGHTS; STRATIFICATION;
D O I
10.2307/2684203
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
Unweighted estimators using data collected in a sample survey can be badly biased, whereas weighted estimators are approximately unbiased for population parameters. We present four examples using data from the 1988 National Maternal and Infant Health Survey to demonstrate that weighted and unweighted estimators can be quite different, and to show the underlying causes of such differences.
引用
收藏
页码:291 / 295
页数:5
相关论文
共 18 条
[1]   USING SAMPLE SURVEY WEIGHTS IN MULTIPLE-REGRESSION ANALYSES OF STRATIFIED SAMPLES [J].
DUMOUCHEL, WH ;
DUNCAN, GJ .
JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION, 1983, 78 (383) :535-543
[2]  
HANSEN MH, 1983, J AM STAT ASSOC, V78, P776, DOI 10.2307/2288182
[3]  
HOEM JM, 1989, PANEL SURVEYS, P539
[4]   REGRESSION-ANALYSIS OF DATA FROM COMPLEX SURVEYS [J].
HOLT, D ;
SMITH, TMF ;
WINTER, PD .
JOURNAL OF THE ROYAL STATISTICAL SOCIETY SERIES A-STATISTICS IN SOCIETY, 1980, 143 :474-487
[5]  
Kalton G., 1989, PANEL SURVEYS, P575
[6]  
KISH L, 1974, J ROY STAT SOC B MET, V36, P1
[7]  
Kish L., 1992, J OFF STAT, V8, P183
[8]   ANALYSIS OF LARGE HEALTH SURVEYS - ACCOUNTING FOR THE SAMPLING DESIGN [J].
KORN, EL ;
GRAUBARD, BI .
JOURNAL OF THE ROYAL STATISTICAL SOCIETY SERIES A-STATISTICS IN SOCIETY, 1995, 158 :263-295
[9]   A MODEL-BASED LOOK AT LINEAR-REGRESSION WITH SURVEY DATA [J].
KOTT, PS .
AMERICAN STATISTICIAN, 1991, 45 (02) :107-112
[10]  
Little R. J. A., 1991, J OFF STAT, V7, P405