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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.

DOI: 10.2390/biecoll-wsom2007-101

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

Questions or comments: publikationsdienste.ub@uni-bielefeld.de
Latest update: 15 Feb 2011
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