Cited by 2,204Statistical Methods in Clinical TrialsStatistical Methods and InferenceStatistical Methods and Bayesian Inference

The positive false discovery rate: a Bayesian interpretation and the q-value

Storey, John D.·2003·The Annals of Statistics

Abstract

Multiple hypothesis testing is concerned with controlling the rate of false positives when testing several hypotheses simultaneously. One multiple hypothesis testing error measure is the false discovery rate (FDR), which is loosely defined to be the expected proportion of false positives among all significant hypotheses. The FDR is especially appropriate for exploratory analyses in which one is interested in finding several significant results among many tests. In this work, we introduce a modified version of the FDR called the "positive false discoveryrate" (pFDR). We discuss the advantages and disadvantages of the pFDR and investigate its statistical properties. When assuming the test statistics follow a mixture distribution, we show that the pFDR can be written as a Bayesian posterior probability and can be connected to classification theory. These properties remain asymptotically true under fairly general conditions, even under certain forms of dependence. Also, a new quantity called the "$q$-value" is introduced and investigated, which is a natural "Bayesian posterior p-value," or rather the pFDR analogue of the p-value.

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Crossref · 10.1214/aos/1074290335

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Authors
Storey, J. D.
Affiliations
University of Washington (US)
Corresponding author
Storey, John D.
Venue
The Annals of Statistics
Published
2003-12-01
Volume
31
Issue
6
Pages
2013-2035
ISSN
  • 0090-5364 (ISSN-L)
  • 2168-8966
OpenAlex
W2125905177
Cited by
2,204
References
20
Citations by year
2026: 47 · 2025: 96 · 2024: 99 · 2023: 101 · 2022: 101 · 2021: 143 · 2020: 112 · 2019: 128 · 2018: 126 · 2017: 95 · 2016: 105 · 2015: 99 · 2014: 100 · 2013: 109 · 2012: 133
FWCI
57.16
Type
journal article
Language
en
Open access
closed
Locations
  • The Annals of Statistics (publishedVersion)
  • Project Euclid (Cornell University) (submittedVersion)
Funders
National Science Foundation
Topics
  • Physical Sciences › Mathematics › Statistics and Probability › Statistical Methods in Clinical Trials
  • Physical Sciences › Mathematics › Statistics and Probability › Statistical Methods and Inference
  • Physical Sciences › Mathematics › Statistics and Probability › Statistical Methods and Bayesian Inference
Keywords
false discovery rate, multiple comparisons, Q-value, Bayesian posterior probability, mixture distributions, classification theory, false positives, asymptotic properties

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