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  • 标题:INTEGRATION OF THE SELF-ORGANIZING MAP AND NEURAL GAS WITH MULTIDIMENSIONAL SCALING
  • 其他标题:INTEGRATION OF THE SELF-ORGANIZING MAP AND NEURAL GAS WITH MULTIDIMENSIONAL SCALING
  • 作者:Kurasova, Olga ; Molytė, Alma
  • 期刊名称:Engineering Economics
  • 印刷版ISSN:2029-5839
  • 出版年度:2011
  • 卷号:40
  • 期号:1
  • 页码:12-20
  • DOI:10.5755/j01.itc.40.1.188
  • 语种:English
  • 出版社:Kaunas University of Technology
  • 摘要:In the paper, two combinations (consecutive and integrated) of vector quantization methods (self-orga-nizing map and neural gas) and multidimensional scaling (MDS) have been investigated and compared. The vector quantization is used to reduce the number of dataset items. The dataset with a smaller number of items is analyzed by multidimensional scaling in order to reduce the number of features of data (dimensionality of space) and to map them onto the plane, i.e., to visualize. Some ways of the initialization (at random, on a line, by PCs and by variances) of two-dimensional vectors in MDS have been investigated. Two ways of assignment of two-dimensional vectors in the integ-rated combinations of MDS and vector quantization methods have been examined, too.http://dx.doi.org/10.5755/j01.itc.40.1.188
  • 关键词:self-organizing map (SOM); neural gas (NG); multidimensional scaling (MDS); initialization
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