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2008 7th Computer Information Systems and Industrial Management Applications
Self-Organizing Map and K-Means for Meteorological Day Type Identification for the Region of Annaba -Algeria-
June 26-June 28
ISBN: 978-0-7695-3184-7
A two level clustering approach has been proposed in this paper in order to perform a classification analysis of meteorological data of Annaba region (North-East of Algeria) using data from 1995 to 1999. The Kohonen self-organizing map (SOM) has been used to group the data and produce the meteorological prototypes. The number of prototypes of SOM is large, to facilitate quantitative analysis of the map and the data similar units need to be grouped (clustered). As a second clustering stage k-means algorithm has been used to cluster the SOM units. Quantitative (using two categories of validity indices) and qualitative criteria were introduced to verify the results of the clustering. The different experiments developed extracted six distinct classes, which were related to typical meteorological conditions in the area.
Index Terms:
Meteorological day type identification, self-organizing map, k-means, clustering, Kohonen maps
Citation:
Soufiane Khedairia, Mohamed Tarek Khadir, "Self-Organizing Map and K-Means for Meteorological Day Type Identification for the Region of Annaba -Algeria-," cisim, pp.91-96, 2008 7th Computer Information Systems and Industrial Management Applications, 2008
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