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《Journal of Inner Mongolia University of Science and Technology》 2010-03
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Variance estimation method of random groups in Warner model

ZHAO Xin,YAN Zai-zai,ZHANG Jing,WEI Fu-hong,DI Li-gang,TANG Jun(Science and Biological Engineering School,Inner Mongolia University of Science and Technology Baotou 014010,China)  
In the Warner model,the proportion of the estimated total amount of sensitive attribute is AW=m/n-(1-P)2P-1,variance estimator of AW is υ(AW)=m/n-(1-m/n)(n-1)(2P-1)2;using the variance estimation method of random groups,an unbiased estimator of V(AW) is obtained and then V(AW) was compared with V(^πAW).
【Fund】: 国家自然科学研究基金资助项目(10761004)
【CateGory Index】: O212.4
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【Secondary Citations】
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