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Cluster Analysis using Spherical SOM

Tokutaka, Heizo ; Kihato, P. K. ; Fujimura, Kikuo ; Ohkita, Masaaki



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Abstract:
A cluster analysis method is proposed in this paper. As benchmark data, the Fisher's iris and the Wine recognition data sets are used. As a result of the numerical experiment, a clustering method using the dendrogram yielded 97 % in accuracy. It is difficult to display a multi-dimensional data by the dendrogram in one dimension. The ultimate visualization is by means of 3 dimensional rendition. We conclude that the best way that a multi-dimensional data set is visualized is by a sphere, since the phase relationship of it is smooth everywhere.


Keywords: Spherical SOM, Cluster Analysis, Dendrogram, Glyph Analysis Setting
Institution: Faculty of Technology, Research Groups in Informatics
DDC classification: Data processing, computer science, computer systems

Suggested Citation:
Tokutaka, Heizo ; Kihato, P. K. ; Fujimura, Kikuo ; Ohkita, Masaaki  (2007)  Cluster Analysis using Spherical SOM.


URL: http://biecoll.ub.uni-bielefeld.de/volltexte/2007/159



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