Cited by 2,440Gene expression and cancer classificationBioinformatics and Genomic NetworksGenomics and Phylogenetic Studies

Variance stabilization applied to microarray data calibration and to the quantification of differential expression

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Huber, Wolfgang, von Heydebreck, Anja, Sültmann, Holger, Poustka, Annemarie, Vingron, Martin·2002·Bioinformatics

Abstract

We introduce a statistical model for microarray gene expression data that comprises data calibration, the quantification of differential expression, and the quantification of measurement error. In particular, we derive a transformation h for intensity measurements, and a difference statistic Δh whose variance is approximately constant along the whole intensity range. This forms a basis for statistical inference from microarray data, and provides a rational data pre-processing strategy for multivariate analyses. For the transformation h, the parametric form h(x)=arsinh(a+bx) is derived from a model of the variance-versus-mean dependence for microarray intensity data, using the method of variance stabilizing transformations. For large intensities, h coincides with the logarithmic transformation, and Δh with the log-ratio. The parameters of h together with those of the calibration between experiments are estimated with a robust variant of maximum-likelihood estimation. We demonstrate our approach on data sets from different experimental platforms, including two-colour cDNA arrays and a series of Affymetrix oligonucleotide arrays. Availability: Software is freely available for academic use as an R package at http://www.dkfz.de/abt0840/whuber Contact: w.huber@dkfz.de

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  1. Huber,W., von Heydebreck,A., Sültmann,H., Poustka,A. and Vin- gron,M. A model for the calibration of microarray data and the quantification of differential expression. Preprint available on request.
  2. Rousseuw,P.J. and Leroy,A.M. (1987) Robust Regression and Outlier Detection. Wiley.

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Authors
Huber, W., von Heydebreck, A., Sültmann, H., Poustka, A., & Vingron, M.
Affiliations
  • German Cancer Research Center (DE)
  • Max Planck Society (DE)
Venue
Bioinformatics
Published
2002-07-01
Volume
18
Issue
suppl_1
Pages
S96-S104
ISSN
  • 1367-4803 (ISSN-L)
  • 1367-4811
OpenAlex
W2122598723
Cited by
2,440
References
0
Citations by year
2026: 141 · 2025: 127 · 2024: 153 · 2023: 119 · 2022: 89 · 2021: 115 · 2020: 85 · 2019: 58 · 2018: 65 · 2017: 62 · 2016: 65 · 2015: 95 · 2014: 97 · 2013: 106 · 2012: 117
FWCI
23.43
Type
journal article
Language
en
Open access
Locations
  • Bioinformatics (publishedVersion)
  • PubMed (publishedVersion)
  • Max Planck Institute for Plasma Physics (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene expression and cancer classification
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioinformatics and Genomic Networks
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
Keywords
variance stabilizing transformation, measurement error, gene expression data, intensity transformation, mean-variance relationship, data preprocessing
MeSH terms
Algorithms, Analysis of Variance, Calibration, Data Interpretation, Statistical, Models, Genetic, Reference Standards, Sensitivity and Specificity, Software, Reproducibility of Results, Models, Statistical, Likelihood Functions, Oligonucleotide Array Sequence Analysis, Gene Expression Profiling

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