Browsing by Author "b72e10ae-38f5-4d4e-b6dd-42f800f9018c"
Now showing items 1-4 of 4
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Maldonado, Sebastián; Montoya Moreira, Ricardo; López, Julio (Springer, 2017)This paper presents a novel embedded feature selection approach for Support Vector Machines (SVM) in a choice-based conjoint context. We extend the L1-SVM formulation and adapt the RFE-SVM algorithm to conjoint analysis ...
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Maldonado, Sebastián; López, Julio; Vairetti, Carla (Elsevier, 2020)In this paper, we propose three novel profit-driven strategies for churn prediction. Our proposals extend the ideas of the Minimax Probability Machine, a robust optimization approach for binary classification that maximizes ...
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Maldonado, Sebastián; López, Julio; Jiménez Molina, Ángel; Lira, Hernán (Elsevier, 2020)In this study, an expert system is presented for analyzing the mental workload of interacting with a mobile phone while facing common daily tasks. Psychophysiological signals were collected from various devices, each ...
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López, Julio; Maldonado, Sebastián; Montoya Moreira, Ricardo (Palgrave Macmillan Ltd., 2017)Support vector machines (SVMs) have been successfully used to identify individuals' preferences in conjoint analysis. One of the challenges of using SVMs in this context is to properly control for preference heterogeneity ...