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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,传统
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,传统的方法是控制判断族错误率(FWE)。然而,当拒绝的检验假设数目比较多的时候,该方法就显得过于严格。Benjamini 于1995年提出控制假发现率(FDR)的方法。假发现率作为所有检验假设中被错误拒绝的期望比例,在过去十多年中受到了广泛关注。Sarkar (2006) 在检验统计量相互独立的条件下,将sidák FDR 检验过程从一步检验过程修正到两步检验过程。本文在检验统计量为MTP2 正相依的假设条件下,研究了如何对于两步sidák检验过程控制其假发现率,推广了Sarkar (2006) 中的结论。
关键词:
多重检验;假发现率;正相依;MTP2
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:
Controlloing the familywise error-rate (FWE) is the traditional method in the multiple testing research. However, when many of tested hypotheses are rejected, controlling the FWE becomes overstrict. As the expected proportion of erroneous rejections among all rejections, the false discovery rate (FDR), introduced by Benjamini and Hochberg (1995), has been of interest in the past decade. Sarkar (2006) modified the sidák FDR procedures under independence from a single-step to a two-step procedure. In this paper, we consider how to control the FDR for the two-step sidák procedure, under the assumption that the test statistics are MTP2, and extend the results in Sarkar (2006).
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