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Comparison of bias-variance structure of three classification algorithms:MCLP, LDA and C5.0
Received date: 2008-11-17
Revised date: 2009-03-02
Online published: 2009-07-15
Based on Domingos bias-variance decomposition framework, on three different data sets, we compared the bias-variance structure of the three classification methods: MCLP, LDA and C5.0. The experimental results showed that, generally speaking, C5.0 has low bias and high variance, LDA has high bias and low variance, and MCLP is in between them but near LDA. When the training set is small, bias and variance of MCLP is comparatively high. However, with the increasing of training set, bias and variance of MCLP obviously decrease and even are lower than those of C5.0 and LDA. This study established the basis for constructing the ensemble suited to MCLP.
ZHU Mei-Hong , SHI Yong , LI Ai-Hua , ZHANG Dong-Ling . Comparison of bias-variance structure of three classification algorithms:MCLP, LDA and C5.0[J]. Journal of University of Chinese Academy of Sciences, 2009 , 26(4) : 443 -450 . DOI: 10.7523/j.issn.2095-6134.2009.4.003
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