Using Smoothed Data Histograms for Cluster Visualization in Self-Organizing Maps
Identifieur interne : 002230 ( Main/Exploration ); précédent : 002229; suivant : 002231Using Smoothed Data Histograms for Cluster Visualization in Self-Organizing Maps
Auteurs : Elias Pampalk [Autriche] ; Andreas Rauber [Autriche] ; Dieter Merkl [Autriche]Source :
- Lecture Notes in Computer Science [ 0302-9743 ] ; 2002.
Abstract
Abstract: Several methods to visualize clusters in high-dimensional data sets using the Self-Organizing Map (SOM) have been proposed. However, most of these methods only focus on the information extracted from the model vectors of the SOM. This paper introduces a novel method to visualize the clusters of a SOM based on smoothed data histograms. The method is illustrated using a simple 2-dimensional data set and similarities to other SOM based visualizations and to the posterior probability distribution of the Generative Topographic Mapping are discussed. Furthermore, the method is evaluated on a real world data set consisting of pieces of music.
Url:
DOI: 10.1007/3-540-46084-5_141
Affiliations:
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However, most of these methods only focus on the information extracted from the model vectors of the SOM. This paper introduces a novel method to visualize the clusters of a SOM based on smoothed data histograms. The method is illustrated using a simple 2-dimensional data set and similarities to other SOM based visualizations and to the posterior probability distribution of the Generative Topographic Mapping are discussed. Furthermore, the method is evaluated on a real world data set consisting of pieces of music.</div></front></TEI><affiliations><list><country><li>Autriche</li></country><region><li>Vienne (Autriche)</li></region><settlement><li>Vienne (Autriche)</li></settlement></list><tree><country name="Autriche"><region name="Vienne (Autriche)"><name sortKey="Pampalk, Elias" sort="Pampalk, Elias" uniqKey="Pampalk E" first="Elias" last="Pampalk">Elias Pampalk</name></region><name sortKey="Merkl, Dieter" sort="Merkl, Dieter" uniqKey="Merkl D" first="Dieter" last="Merkl">Dieter Merkl</name><name sortKey="Merkl, Dieter" sort="Merkl, Dieter" uniqKey="Merkl D" first="Dieter" last="Merkl">Dieter Merkl</name><name sortKey="Pampalk, Elias" sort="Pampalk, Elias" uniqKey="Pampalk E" first="Elias" last="Pampalk">Elias Pampalk</name><name sortKey="Rauber, Andreas" sort="Rauber, Andreas" uniqKey="Rauber A" first="Andreas" last="Rauber">Andreas Rauber</name><name sortKey="Rauber, Andreas" sort="Rauber, Andreas" uniqKey="Rauber A" first="Andreas" last="Rauber">Andreas Rauber</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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