Improving the correlation hunting in a large quantity of SOM component planes: classification of agro-ecological variables related with productivity in the sugar cane culture

  • Authors:
  • S. Miguel A. Barreto;Andrés Pérez-Uribe

  • Affiliations:
  • Université de Lausanne, Hautes Etudes Commerciales, Institut des Systèmes d'Information and University of Applied Sciences of Western Switzerland, HEIG-VD, REDS and Corporación BIOT ...;University of Applied Sciences of Western Switzerland, HEIG-VD, REDS

  • Venue:
  • ICANN'07 Proceedings of the 17th international conference on Artificial neural networks
  • Year:
  • 2007

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Abstract

A technique called component planes is commonly used to visualize variables behavior with Self-Organizing Maps (SOMs). Nevertheless, when the component planes are too many the visualization becomes difficult. A methodology has been developed to enhance the component planes analysis process. This methodology improves the correlation hunting in the component planes with a tree-structured cluster representation based on the SOM distance matrix. The methodology presented here was used in the classification of similar agro-ecological variables and productivity in the sugar cane culture. Analyzing the obtained groups it was possible to extract new knowledge about the variables more related with the highest productivities.