Mutual information for the selection of relevant variables in spectrometric nonlinear modelling

1 Projet AxIS, INRIA-Rocquencourt, Domaine de Voluceau, Rocquencourt, B.P. 105, F-78153 Le Chesnay Cedex, France, [email protected]. 2 Helsinki University of Technology – Lab. Computer and Information Science, Neural Networks Research Centre, P.O. Box 5400, FIN-02015 HUT, Finland, [email protected] 3 Université catholique de Louvain – Machine Learning Group, CESAME, 4 av. G. Lemaître, B-1348 Louvain-la-Neuve, Belgium, [email protected] 4 Université catholique de Louvain – Machine Learning Group, DICE, 3 place du Levant, B-1348 Louvain-la-Neuve, Belgium, [email protected] and Université Paris I Panthéon Sorbonne, SAMOS-MATISSE, 90 rue de Tolbiac F-75634 Paris Cedex 13, France