Communication Dans Un Congrès Année : 2022

Localized Feature Ranking approach for Multi-Target Regression

Résumé

Multi-target regression (MTR) aims at designing models able to predict multiple continuous variables simultaneously. The key for designing an effective feature selection model for MTR is to develop a framework under which the feature importances are measured using the correlation between features and targets in a natural way. So far, feature importances in MTR problems were evaluated in a global sense where proposed approaches generate a single ordered list of features common for all the targets. In this work, we adapt the Ensemble of Regressor Chains algorithm in tandem with the random forest paradigm to appropriately model both dependencies among features and targets in a target-specific (localized) feature ranking process. We provide empirical results on several benchmark MTR data sets indicating the effectiveness of our strategy to perform better than selecting one global ranking for all targets with existing state-of-the-art algorithms.

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hal-04947569 , version 1 (14-02-2025)

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Hugo Bertrand, Haytham Elghazel, Sahar Masmoudi, Emmanuel Coquery, Mohand-Said Hacid. Localized Feature Ranking approach for Multi-Target Regression. 2022 International Joint Conference on Neural Networks (IJCNN), Jul 2022, Padua, Italy. pp.1-8, ⟨10.1109/IJCNN55064.2022.9891892⟩. ⟨hal-04947569⟩
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