Efficient twin parametric insensitive support vector regression model

Peng, Xinjun

doi:10.1016/j.neucom.2011.09.021

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Efficient twin parametric insensitive support vector regression model

2012-03-01

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Peng, Xinjun *

DOI：10.1016/j.neucom.2011.09.021

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Abstract

En 中文

In this paper, an efficient twin parametric insensitive support vector regression (TPISVR) is proposed. The TPISVR determines indirectly the regression function through a pair of nonparallel parametric-insensitive up- and down-bound functions solved by two smaller sized support vector machine (SVM)-type problems, which causes the TPISVR not only have the faster learning speed than the classical SVR, but also be suitable for many cases, especially when the noise is heteroscedastic, that is, the noise strongly depends on the input value. The proposed method has the advantage of using the ratio of the parameters v and c for controlling the bounds of fractions of support vectors and errors. The experimental results on several artificial and benchmark datasets indicate that the TPISVR not only has fast learning speed, but also shows good generalization performance. Crown Copyright (C) 2011 Published by Elsevier B.V. All rights reserved.

Keywords:

Support vector machine

Regression estimation

Noise heteroscedastic model

Parametric insensitive model

Nonparallel functions

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