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总览 评价 庄玮玮 1,* , 杨建萍 2, , 胡太忠 2, , 刘杰 3, ( 1、 中国科学技术大学统计与金融系,合肥 230026; 2、 中国科学技术大学统计与金融系,合肥230026; 3、 中国科学技术大学统计与金融系 合肥 230026; ) 摘要: 在多重检验问题中,由 B
庄玮玮1,*, 杨建萍2,, 胡太忠2,, 刘杰3,
(
1、中国科学技术大学统计与金融系,合肥 230026; 2、中国科学技术大学统计与金融系,合肥230026; 3、中国科学技术大学统计与金融系 合肥 230026; )
摘要:
在多重检验问题中,由 Benjamini 和 Hochberg 引入的假发现率(FDR)在过去的十多年里已经得到了广泛的使用。为了对不同的FDR控制的检验过程进行比较,假未发现率(FNR)作为一个相似的测度被提出。Sarkar 据此提出了无偏性的概念,定义为:FDR+FNR≤1,并指出一个好的检验过程应该满足无偏性。并且,Sarkar 猜测两步检验过程应该也满足无偏性。本文证实了Sarkar的猜想,建立了正相依条件下两步 ?idák检验过程的无偏性质。
关键词:
多重检验;假发现率;假未发现率;正相依;无偏性
Zhuang Weiwei1,*, Jianping Yang2,, Taizhong Hu2,, Liu Jie3,
(
1、Department of Statistics and Finance, University of Science and Technology of China, HeFei 230026; 2、Department of Statistics and Finance, University of Science and Technology of China, Hefei, 230026; 3、Department of Statistics and Finance, University of Science and Technology of China, Hefei 230026; )
Abstract:
In the past decade, the false discovery rate (FDR) introduced by Benjamini and Hochberg has been used widely in the multiple testing problems. For comparing different FDR-controlling procedure, the false negatives rate (FNR) as an similar measure are introduced . Sarkar proposed the unbiasedness property of a multiple testing procedure, which is defined as FDR+FNR≤1, and indicated that one good procedure should satisfy the unbiased property. Sarkar conjectured that the two-step ?idák procedure should be unbiased. We verify the conjecture of Sarkar , and establish the unbiased properties of the two-step ?idák procedure under positive dependence.
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