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Comparison of data discretization methods for cross platform transfer of gene-expression based tumor subtyping classifier

  • Northwestern University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Molecular stratification of tumors is essential for developing personalized therapies. While patient stratification strategies have been successful, computational methods to accurately translate and integrate gene signatures across different high-throughput platforms (e.g., microarray, RNA-seq) are currently lacking. We performed comparative evaluation of different data discretization and feature selection methods combined with state-of-the-art machine learning algorithms to derive platform-independent and accurate multi-gene signatures for classification of the four known subtypes of glioblastoma. Our results show that integrative application of feature selection and data discretization is crucial for successful platform transition and higher prediction accuracy of the derived molecular classifiers.

Original languageEnglish
Title of host publication2014 IEEE 4th International Conference on Computational Advances in Bio and Medical Sciences, ICCABS 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479957866
DOIs
StatePublished - Jul 24 2014
Event2014 IEEE 4th International Conference on Computational Advances in Bio and Medical Sciences, ICCABS 2014 - Miami, United States
Duration: Jun 2 2014Jun 4 2014

Publication series

Name2014 IEEE 4th International Conference on Computational Advances in Bio and Medical Sciences, ICCABS 2014

Conference

Conference2014 IEEE 4th International Conference on Computational Advances in Bio and Medical Sciences, ICCABS 2014
Country/TerritoryUnited States
CityMiami
Period06/2/1406/4/14

Keywords

  • cancer subtype prediction
  • data discretization
  • feature selection
  • isoform-level gene expression
  • platform transition

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