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Article Dans Une Revue IEEE Transactions on Neural Networks and Learning Systems Année : 2014

Global Sensitivity Analysis Approach for Input Selection and System Identification Purposes - A New Framework for Feedforward Neural Networks

Résumé

A new algorithm for the selection of input variables of neural network is proposed. This new method, applied after the training stage, ranks the inputs according to their importance in the variance of the model output. The use of a global sensitivity analysis technique, EFAST, gives the total sensitivity index for each variable, which allows the ranking and the removal of the less relevant inputs. Applied to some benchmarking problems in the field of features selection, the proposed approach shows good agreement in keeping the relevant variables. This new method is a useful tool for removing superfluous inputs and for system identification.
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Dates et versions

hal-01075096 , version 1 (16-10-2014)

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Eric Fock. Global Sensitivity Analysis Approach for Input Selection and System Identification Purposes - A New Framework for Feedforward Neural Networks. IEEE Transactions on Neural Networks and Learning Systems, 2014, 25 (8), pp.1484 - 1495. ⟨10.1109/TNNLS.2013.2294437⟩. ⟨hal-01075096⟩
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