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A Novel Multiple Support Vector Machines Architecture for Chaotic Time Series Prediction

  • Jian-sheng Qian
  • Jian Cheng
  • Yi-nan Guo
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4221)

Abstract

Inspired by the so-called “divide-and-conquer” principle that is often used to attack a complex problem by dividing it into simpler problems, a two-stage multiple support vector machines (SVMs) architecture is proposed to improve its prediction accuracy and generalization performance for chaotic time series prediction. Fuzzy C-means (FCM) clustering algorithm is adopted in the first stage to partition the input dataset into several subnets. Then, in the second stage, multiple SVMs that best fit partitioned subsets are constructed by Gaussian radial basis function kernel and the optimal free parameters of SVMs. All the models are evaluated by Mackey-Glass chaotic time series and used for coal mine gas concentration in the experiment. The simulation shows that the multiple SVMs achieve significant improvement in the generalization performance in comparison with the single SVM model. In addition, the multiple SVMs also converges faster and uses fewer support vectors.

Keywords

Support Vector Machine Root Mean Square Error Cluster Center Chaotic Time Series Gaussian Radial Basis Function Kernel 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Jian-sheng Qian
    • 1
  • Jian Cheng
    • 1
  • Yi-nan Guo
    • 1
  1. 1.School of Information and Electrical EngineeringChina University of Mining and TechnologyXu ZhouChina

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