Effects of Irregular Topology in Spherical Self-Organizing Maps

Charles R. Schmidt, Sergio J. Rey and André Skupin

International Regional Science Review, 2011, vol. 34, issue 2, 215-229

Abstract: The authors explore the effect of different topologies on properties of self-organizing maps (SOM). They suggest several diagnostics for measuring topology-induced errors in SOM and use these in a comparison of four different topologies. The results show that SOM is less sensitive to localized irregularities in the network structure than the literature may otherwise suggest. Further, the results support the use of spherical topologies as a solution to the boundary problem in traditional SOM.

Keywords: self-organizing maps; topology; border effect; neural networks; visualization (search for similar items in EconPapers)
Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:sae:inrsre:v:34:y:2011:i:2:p:215-229

DOI: 10.1177/0160017610387297

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