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Score-Oriented Loss (SOL) functions
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DOI：10.1016/j.patcog.2022.108913.png)
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Abstract
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Loss functions engineering and the assessment of prediction performances are two crucial and inter-twined aspects of supervised machine learning. This paper focuses on binary classification to introduce a class of loss functions that are defined on probabilistic confusion matrices and that allow an automatic and a priori maximization of the skill scores. These loss functions are tested in various classification ex-periments, which show that the probability distribution function associated with the confusion matrices significantly impacts the outcome of the score maximization process, and that the proposed functions are competitive with other state-of-the-art probabilistic losses.(c) 2022 Elsevier Ltd. All rights reserved.
Keywords:
Supervised machine learning
Binary classification
Loss functions
Skill scores
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