• DocumentCode
    2991367
  • Title

    Sequential Bayesian Method for Formulating Uncertainty in Sparse Data

  • Author

    Liu, Changqing ; Luo, Wencai

  • Author_Institution
    Coll. of Aerosp. & Mater. Eng., Nat. Univ. of Defense Technol., Changsha, China
  • fYear
    2011
  • fDate
    3-4 Dec. 2011
  • Firstpage
    1354
  • Lastpage
    1356
  • Abstract
    To investigate uncertainty characteristics intrinsic in sparse data, a sequential Bayesian method was proposed to deal with this issue. In order to fully utilize information provided by original data, apriori distribution was calculated using apexes of the histogram of sparse data points for initial iteration. Mean square error was adopted as the assessing criterion of fitting fineness. Probabilistic measure entropy was calculated to describe how much information is used in both non-Bayesian and sequential Bayesian methods for comparison. Fitting examples demonstrate the capability of integrating uncertainty into the sparse data modeling process of the new method.
  • Keywords
    Bayes methods; data models; iterative methods; mean square error methods; statistical distributions; apriori distribution; mean square error; probabilistic measure entropy; sequential Bayesian method; sparse data modeling process; sparse data uncertainty formulation; uncertainty characteristics; Bayesian methods; Data models; Entropy; Fitting; Histograms; Measurement uncertainty; Uncertainty; apriori distribution; fitting; sparse data; uncertainty;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Computational Intelligence and Security (CIS), 2011 Seventh International Conference on
  • Conference_Location
    Hainan
  • Print_ISBN
    978-1-4577-2008-6
  • Type

    conf

  • DOI
    10.1109/CIS.2011.301
  • Filename
    6128342