• Title/Summary/Keyword: false nondiscovery rate

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Comparison and analysis of multiple testing methods for microarray gene expression data (유전자 발현 데이터에 대한 다중검정법 비교 및 분석)

  • Seo, Sumin;Kim, Tae Houn;Kim, Jaehee
    • Journal of the Korean Data and Information Science Society
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    • v.25 no.5
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    • pp.971-986
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    • 2014
  • When thousands of hypotheses are tested simultaneously, the probability of rejecting any true hypotheses increases, and large multiplicity problems are generated. To solve these problems, researchers have proposed different approaches to multiple testing methods, considering family-wise error rate (FWER), false discovery rate (FDR) or false nondiscovery rate (FNR) as a type I error and some test statistics. In this article, we discuss Bonferroni (1960), Holm (1979), Benjamini and Hochberg (1995) and Benjamini and Yekutieli (2001) procedures based on T statistics, modified T statistics or local-pooled-error (LPE) statistics. We also consider Sun and Cai (2007) procedure based on Z statistics. These procedures are compared in the simulation and applied to Arabidopsis microarray gene expression data to identify differentially expressed genes.