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2008 Fiscal Year Final Research Report

Development of a method for chaotic time series analysis for pulse wave data and association between degree of chaos of pulse wave and arteriosclerosis

Research Project

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Project/Area Number 18700270
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Statistical science
Research InstitutionKyushu University

Principal Investigator

YONEMOTO Koji  Kyushu University, 大学院・医学研究院, 研究員 (90398090)

Project Period (FY) 2006 – 2008
Keywordsカオス / リヤプノフ指数 / 埋め込み次元 / 遅延時間 / 脈波 / 動脈硬化
Research Abstract

脈波データの特徴を考慮に入れたカオス時系列解析手法を開発し、久山町研究の大規模データに適用し、動脈硬化と脈波のカオス性との関連を検討した。その結果、カオス性の指標であるリヤプノフ指数は、年齢が高いほど低くなることが示されたが、血圧、血糖値、コレステロール、脈波伝播速度(PWV)などの動脈硬化関連指標とは有意な関連は得られなかった。

  • Research Products

    (6 results)

All 2009 2008 2007

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (4 results)

  • [Journal Article] Application of the functional ANOVA model for hazard regression to the Hisayama data2008

    • Author(s)
      Atsushi Kawaguchi, Koji Yonemoto, Yumihiro Tanizaki, Yutaka Kiyohara, Takashi Yanagawa, Young K. Troung
    • Journal Title

      Statistics in Medicine 27

      Pages: 3515-3527

    • Peer Reviewed
  • [Journal Article] Estimating the Lyapunov exponent from chaotic time series with dynamic noise2007

    • Author(s)
      Koji Yonemoto, Takashi Yanagawa
    • Journal Title

      Statistical Methodology 4

      Pages: 461-480

    • Peer Reviewed
  • [Presentation] Mul tistate model using functional ANOVA models and its application to the H isayama data2009

    • Author(s)
      Koji Yonemoto, Takashi Yanagawa
    • Organizer
      The 3rd International Kurume Symposium on Biostatistics An alysis of Longitudinal and Event His tory Data, and Related Topics
    • Place of Presentation
      九州大学
    • Year and Date
      20090100
  • [Presentation] Application of functional ANOVA models for hazard regression to the Hisayama data2008

    • Author(s)
      Koji Yonemoto, Atsushi Kawaguchi, Yu mihiro Tanizaki, Yutaka Kiyohara, Takashi Yanagawa, Young K. Truong
    • Organizer
      The 2nd International Kurume Symposium on Biostatistics Analys is of Longitudinal Data and Related Topics
    • Place of Presentation
      九州大学
    • Year and Date
      20080200
  • [Presentation] Estimating the Lyapunov exponent from chaotic time series with dynamic noise2008

    • Author(s)
      Koji Yonemoto, Takashi Yanagawa
    • Organizer
      INTERNATIONAL CONFERENCE ON STATI STICAL PARADIGMS - RECENT ADVANCES AND RECONCILIATIONS
    • Place of Presentation
      Indian Statistical Institute
    • Year and Date
      20080100
  • [Presentation] Application of functional ANOVA models for hazard regression to the Hisayama data2007

    • Author(s)
      Koji Yonemoto, Atsushi Kawaguchi, Yumihiro Tanizaki, Yutaka Kiyohara, Takashi Yanagawa, Yougn K. Truong
    • Organizer
      East Asia Regional Biometric Conference
    • Place of Presentation
      東京大学
    • Year and Date
      20071200

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Published: 2010-06-10   Modified: 2016-04-21  

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