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  Prediction and uncertainty in the analysis of gene expression profiles

Spang, R., Zuzan, H., West, M., Nevins, J., Blanchette, C., & Marks, J. R. (2002). Prediction and uncertainty in the analysis of gene expression profiles. GCB ' 01, 0033-0033.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-8C18-6 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-8C19-4
Genre: Journal Article

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 Creators:
Spang, Rainer1, Author              
Zuzan, Harry, Author
West, Mike, Author
Nevins, Joseph, Author
Blanchette, Carrie, Author
Marks, Jeffrey R., Author
Affiliations:
1Dept. of Computational Molecular Biology (Head: Martin Vingron), Max Planck Institute for Molecular Genetics, Max Planck Society, ou_1433547              

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Free keywords: Computational diagnostics, gene expression analysis, expression profiles, micro array, gene chip, breast cancer, estrogen receptor status, Bayesian statistics, Bayesian regularization, binary regression, probit model, G-prior, singular value decomposition, predictive diagnosis, prognosis, tumor classification, uncertainty, factor regression, ridge regression, machine learning
 Abstract: We have developed a complete statistical model for the analysis of tumor specific gene expression profiles. The approach provides investigators with a global overview on large scale gene expression data, indicating aspects of the data that relate to tumor phenotype, but also summarizing the uncertainties inherent in classification of tumor types. We demonstrate the use of this method in the context of a gene expression profiling study of 27 human breast cancers. The study is aimed at defining molecular characteristics of tumors that reflect estrogen receptor status. In addition to good predictive performance with respect to pure classification of the expression profiles, the model also uncovers conflicts in the data with respect to the classification of some of the tumors, highlighting them as critical cases for which additional investigations are appropriate.

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Language(s): eng - English
 Dates: 2002-04-17
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 29138
 Degree: -

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Source 1

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Title: GCB ' 01
Source Genre: Issue
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Publ. Info: -
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 0033 - 0033 Identifier: -

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Title: In Silico Biology
Source Genre: Journal
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Pages: - Volume / Issue: 2 (Special issue) Sequence Number: - Start / End Page: - Identifier: -