Primer
Nature Biotechnology 26, 303 - 304 (2008)
doi:10.1038/nbt0308-303
What is principal component analysis?
Markus Ringnér1
Abstract
Principal component analysis is often incorporated into genome-wide expression studies, but what is it and how can it be used to explore high-dimensional data?
- Markus Ringnér is in the Division of Oncology, Department of Clinical Sciences, Barngatan 2, Lund University, 221 85, Lund, Sweden. e-mail: markus.ringner@med.lu.se

