Abstract
This paper makes use of several performance metrics to extend the understanding of a challenging imbalanced classification task. More specifically, we refer to a problem in which the minority class is more represented in the overlap region than the majority class, that is, the overall minority class becomes the majority one in this region. The experimental results demonstrate that the use of a set of appropriate performance measures allows to figure out such an atypical case.
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García, V., Mollineda, R.A., Sánchez, J.S., Alejo, R., Sotoca, J.M. (2007). When Overlapping Unexpectedly Alters the Class Imbalance Effects. In: Martí, J., Benedí, J.M., Mendonça, A.M., Serrat, J. (eds) Pattern Recognition and Image Analysis. IbPRIA 2007. Lecture Notes in Computer Science, vol 4478. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-72849-8_63
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DOI: https://doi.org/10.1007/978-3-540-72849-8_63
Publisher Name: Springer, Berlin, Heidelberg
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