E. Lopez-Rubio, J. Muñoz-Perez, J. A. Gomez-Ruiz, A Principal Components Analysis Self-Organizing Map. Neural Networks 17(2), 261-270. Year: 2004. ISSN: 0893-6080.
http://dx.doi.org/10.1016/j.neunet.2003.04.001
Source code of PCASOM
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