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January 8, 2014Statistics in Medicine392 citations

Multiple hypothesis testing in genomics

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JGJelle J. GoemanASAldo Solari

Key Points

  • Provide a comprehensive, user-oriented overview of modern multiple testing methodologies and error rate control frameworks in genomic data analysis.
  • Reviewed conceptual foundations and practical applications of familywise error control, false discovery rate (FDR) control, and false discovery proportion estimation.
  • Assessed underlying model assumptions, pre- and post-testing gene selection strategies, and the design requirements for subsequent validation experiments.
  • Outlined criteria for selecting optimal error rate control strategies based on the exploratory versus confirmatory nature of specific genomic experiments.
  • Identified critical interpretation pitfalls and statistical biases associated with unverified gene filtering and exploratory testing workflows.

Abstract

This paper presents an overview of the current state of the art in multiple testing in genomics data from a user's perspective. We describe methods for familywise error control, false discovery rate control and false discovery proportion estimation and confidence, both conceptually and practically, and explain when to use which type of error rate. We elaborate on the assumptions underlying the methods and discuss pitfalls in the interpretation of results. In our discussion, we take into account the exploratory nature of genomics experiments, looking at selection of genes before or after testing, and at the role of validation experiments.

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Cite This Study

Goeman et al. (2014) studied this question.

synapsesocial.com/papers/6a0cb650d48675e49423ab37https://doi.org/10.1002/sim.6082
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