Communications for Statistical Applications and Methods

  • 제19권6호
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  • Pages.899-904
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  • 2012
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  • 2287-7843(pISSN)
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  • 2383-4757(eISSN)
한국통계학회 (The Korean Statistical Society)
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Multiple Testing in Genomic Sequences Using Hamming Distance

  • Kang, Moonsu (Department of Information Statistics, Gangneung-Wonju National University)
  • 투고 : 2012.08.29
  • 심사 : 2012.11.15
  • 발행 : 2012.11.30
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초록

High-dimensional categorical data models with small sample sizes have not been used extensively in genomic sequences that involve count (or discrete) or purely qualitative responses. A basic task is to identify differentially expressed genes (or positions) among a number of genes. It requires an appropriate test statistics and a corresponding multiple testing procedure so that a multivariate analysis of variance should not be feasible. A family wise error rate(FWER) is not appropriate to test thousands of genes simultaneously in a multiple testing procedure. False discovery rate(FDR) is better than FWER in multiple testing problems. The data from the 2002-2003 SARS epidemic shows that a conventional FDR procedure and a proposed test statistic based on a pseudo-marginal approach with Hamming distance performs better.

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참고문헌

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