Enhancing the visualization process with principal component analysis to support the exploration of trends

Authors:
Wolfgang Müller;Thomas Nocke;Heidrun Schumann
Affiliations:
Media Education and Visualization Group, University of Education Weingarten, Weingarten, Germany;Department of Computer Science, University of Rostock, Rostock, Germany;Department of Computer Science, University of Rostock, Rostock, Germany
Venue:
APVis '06 Proceedings of the 2006 Asia-Pacific Symposium on Information Visualisation - Volume 60
Year:
2006

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Abstract

This paper describes the integration of the Principal Component Analysis into the Visualization Process. Although, the combination of Principal Component Analysis (PCA) and visual methods is a common approach to the analysis of high-dimensional datasets, it is mostly limited to a pure preprocessing step for dimension reduction. In this paper we will discuss, how PCA results can be used to control all steps of the visualization pipeline to generate more effective visual representations, and thus, a higher degree of understanding of the PCA values as well as of original data.