Dissemin is shutting down on January 1st, 2025

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MDPI, Computers, 2(13), p. 34, 2024

DOI: 10.3390/computers13020034

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Least Squares Minimum Class Variance Support Vector Machines

Journal article published in 2024 by Michalis Panayides ORCID, Andreas Artemiou ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

In this paper, we propose a Support Vector Machine (SVM)-type algorithm, which is statistically faster among other common algorithms in the family of SVM algorithms. The new algorithm uses distributional information of each class and, therefore, combines the benefits of using the class variance in the optimization with the least squares approach, which gives an analytic solution to the minimization problem and, therefore, is computationally efficient. We demonstrate an important property of the algorithm which allows us to address the inversion of a singular matrix in the solution. We also demonstrate through real data experiments that we improve on the computational time without losing any of the accuracy when compared to previously proposed algorithms.