Research Article

Cooperation-Controlled Learning for Explicit Class Structure in Self-Organizing Maps

Figure 11

Results of PCA applied to the housing data (a), connection weights by the SOM (b), and the U-matrix by the SOM for the housing data (c).
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(a) PCA
397927.fig.0011b
(b) SOM (PCA)
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(c) SOM (U-matrix)