Approximate variance-stabilizing transformations for gene-expression microarray data

David M Rocke, Blythe Durbin

Research output: Contribution to journalArticle

107 Scopus citations

Abstract

Motivation: A variance stabilizing transformation for microarray data was recently introduced independently by several research groups. This transformation has sometimes been called the generalized logarithm or glog transformation. In this paper, we derive several alternative approximate variance stabilizing transformations that may be easier to use in some applications. Results: We demonstrate that the started-log and the log-linear-hybrid transformation families can produce approximate variance stabilizing transformations for microarray data that are nearly as good as the generalized logarithm (glog) transformation. These transformations may be more convenient in some applications.

Original languageEnglish (US)
Pages (from-to)966-972
Number of pages7
JournalBioinformatics
Volume19
Issue number8
DOIs
StatePublished - May 22 2003

ASJC Scopus subject areas

  • Clinical Biochemistry
  • Computer Science Applications
  • Computational Theory and Mathematics

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