Letters: Error back-propagation algorithm for classification of imbalanced data

Authors:
Sang-Hoon Oh
Affiliations:
Department of Information Communication Engineering, Mokwon University, Daejon, Republic of Korea
Venue:
Neurocomputing
Year:
2011

Citing 9
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Abstract

Classification of imbalanced data is pervasive but it is a difficult problem to solve. In order to improve the classification of imbalanced data, this letter proposes a new error function for the error back-propagation algorithm of multilayer perceptrons. The error function intensifies weight-updating for the minority class and weakens weight-updating for the majority class. We verify the effectiveness of the proposed method through simulations on mammography and thyroid data sets.