Chapter 4. Visualization by Reduction of Dimensionality

  1. Steen Knudsen

Published Online: 19 DEC 2005

DOI: 10.1002/0470041102.ch4

Cancer Diagnostics with DNA Microarrays

Cancer Diagnostics with DNA Microarrays

How to Cite

Knudsen, S. (2006) Visualization by Reduction of Dimensionality, in Cancer Diagnostics with DNA Microarrays, John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/0470041102.ch4

Author Information

  1. Medical Prognosis Institute, Hørsholm, Denmark

Publication History

  1. Published Online: 19 DEC 2005
  2. Published Print: 17 NOV 2006

ISBN Information

Print ISBN: 9780471784074

Online ISBN: 9780470041109



  • Principal component analysis (PCA);
  • visualization by dimensionality reduction;
  • Independent component analysis (ICA)


This chapter contains sections titled:

  • Principal Component Analysis

  • Supervised Principal Component Analysis

  • Independent Component Analysis

  • Example I: PCA on Small Data Matrix

  • Example II: PCA on Real Data

  • Summary

  • Further Reading