A toolbox for K-centroids cluster analysis

  • Authors:
  • Friedrich Leisch

  • Affiliations:
  • Department of Statistics and Probability Theory, Vienna University of Technology, 1040 Vienna, Austria

  • Venue:
  • Computational Statistics & Data Analysis
  • Year:
  • 2006

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Abstract

A methodological and computational framework for centroid-based partitioning cluster analysis using arbitrary distance or similarity measures is presented. The power of high-level statistical computing environments like R enables data analysts to easily try out various distance measures with only minimal programming effort. A new variant of centroid neighborhood graphs is introduced which gives insight into the relationships between adjacent clusters. Artificial examples and a case study from marketing research are used to demonstrate the influence of distances measures on partitions and usage of neighborhood graphs.