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A unified approach to false discovery rate estimation

Open access
Strimmer, Korbinian·2008·BMC Bioinformatics

Abstract

BACKGROUND: False discovery rate (FDR) methods play an important role in analyzing high-dimensional data. There are two types of FDR, tail area-based FDR and local FDR, as well as numerous statistical algorithms for estimating or controlling FDR. These differ in terms of underlying test statistics and procedures employed for statistical learning. RESULTS: A unifying algorithm for simultaneous estimation of both local FDR and tail area-based FDR is presented that can be applied to a diverse range of test statistics, including p-values, correlations, z- and t-scores. This approach is semipararametric and is based on a modified Grenander density estimator. For test statistics other than p-values it allows for empirical null modeling, so that dependencies among tests can be taken into account. The inference of the underlying model employs truncated maximum-likelihood estimation, with the cut-off point chosen according to the false non-discovery rate. CONCLUSION: The proposed procedure generalizes a number of more specialized algorithms and thus offers a common framework for FDR estimation consistent across test statistics and types of FDR. In comparative study the unified approach performs on par with the best competing yet more specialized alternatives. The algorithm is implemented in R in the "fdrtool" package, available under the GNU GPL from http://strimmerlab.org/software/fdrtool/ and from the R package archive CRAN.

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Metadata

Authors
Strimmer, K.
Venue
BMC Bioinformatics
Published
2008-07-09
Volume
9
Issue
1
Pages
303-303
ISSN
1471-2105 (ISSN-L)
OpenAlex
W2049131636
Cited by
406
References
29
FWCI
24.22
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: A unified approach to false discovery rate estimation. https://app.cochat.ai/papers/10.1186/1471-2105-9-303
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Strimmer, K. (2008). A unified approach to false discovery rate estimation. BMC Bioinformatics. https://doi.org/10.1186/1471-2105-9-303

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