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2017 | OriginalPaper | Buchkapitel

Combining Ranking with Traditional Methods for Ordinal Class Imbalance

verfasst von : Ricardo Cruz, Kelwin Fernandes, Joaquim F. Pinto Costa, María Pérez Ortiz, Jaime S. Cardoso

Erschienen in: Advances in Computational Intelligence

Verlag: Springer International Publishing

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Abstract

In classification problems, a dataset is said to be imbalanced when the distribution of the target variable is very unequal. Classes contribute unequally to the decision boundary, and special metrics are used to evaluate these datasets. In previous work, we presented pairwise ranking as a method for binary imbalanced classification, and extended to the ordinal case using weights. In this work, we extend ordinal classification using traditional balancing methods. A comparison is made against traditional and ordinal SVMs, in which the ranking adaption proposed is found to be competitive.

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Literatur
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Metadaten
Titel
Combining Ranking with Traditional Methods for Ordinal Class Imbalance
verfasst von
Ricardo Cruz
Kelwin Fernandes
Joaquim F. Pinto Costa
María Pérez Ortiz
Jaime S. Cardoso
Copyright-Jahr
2017
DOI
https://doi.org/10.1007/978-3-319-59147-6_46