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ベイズ予測理論と大域的な情報幾何に関する研究

Research Project

Project/Area Number 14780167
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Statistical science
Research InstitutionThe University of Tokyo

Principal Investigator

駒木 文保  東京大学, 大学院・情報理工学系研究科, 助教授 (70242039)

Project Period (FY) 2002 – 2004
Project Status Completed (Fiscal Year 2004)
Budget Amount *help
¥3,400,000 (Direct Cost: ¥3,400,000)
Fiscal Year 2004: ¥1,100,000 (Direct Cost: ¥1,100,000)
Fiscal Year 2003: ¥1,100,000 (Direct Cost: ¥1,100,000)
Fiscal Year 2002: ¥1,200,000 (Direct Cost: ¥1,200,000)
Keywords情報幾何 / ベイズ理論 / 無情報事前分布 / 予測 / 予測分布 / 統計モデル
Research Abstract

統計モデルの大域的な情報幾何学的構造に基づいて予測分布を構成するという方針に基づいて理論的研究をおこない,いくつかの結果を得た.具体的には,統計モデルの多様体が,大域的な幾何学的性質に関するある条件をみたす場合には,ジェフリーズ事前分布を利用した予測を優越する予測分布が構成できることを示した.特に,予測に関する有限サンプルに基づく厳密な理論をいくつかのクラスのモデルに対して構築した.また,独立同一分布のモデルを利用した予測に関する有限サンプルに基づく厳密な理論を研究するとともに,定常ARMAモデルなどの簡単な時系列モデルに関する漸近理論による結果を拡張した.また,複雑度の大きいモデルに対して,理論研究に基づいた結果を適用するための実用的な数値的手法の開発研究を行った.

Report

(3 results)
  • 2004 Annual Research Report
  • 2003 Annual Research Report
  • 2002 Annual Research Report
  • Research Products

    (12 results)

All 2005 2004 Other

All Journal Article (5 results) Publications (7 results)

  • [Journal Article] Nonparametric bootstrap prediction2005

    • Author(s)
      Fushiki, T.
    • Journal Title

      Bernoulli

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Bayesian predictive density operators for exchangeable quantum statistical models2005

    • Author(s)
      Tanaka, F.
    • Journal Title

      Physical Review A

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Simultaneous prediction of independent Poisson observables2004

    • Author(s)
      Komaki, F.
    • Journal Title

      The annals of Statistics 32・4

      Pages: 1744-1769

    • Related Report
      2004 Annual Research Report
  • [Journal Article] On parametric bootstrapping and Bayesian prediction2004

    • Author(s)
      Fushiki, T.
    • Journal Title

      Scandinavian Journal of Statistics 32・3

      Pages: 525-532

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Noninformative priors for prediction based on group models2004

    • Author(s)
      Komaki, F.
    • Journal Title

      Bayesian Inference and Maximum Entropy Methods in Science and Engineering

      Pages: 525-532

    • Related Report
      2004 Annual Research Report
  • [Publications] TANAKA Fuyuhiko, KOMAKI Fumiyasu: "The sectional curvature of AR model manifolds"Tensor. (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] KOMAKI Fumiyasu: "Simultaneous prediction of independent Poisson observables"The Annals of Statistics. (2004)

    • Related Report
      2003 Annual Research Report
  • [Publications] FUSHIKI Tadayoshi, KOMAKI Fumiyasu, AIHARA Kazuyuki: "On parametric bootstrapping and Bayesian prediction"Scandinavian Journal of Statistics. (2004)

    • Related Report
      2003 Annual Research Report
  • [Publications] KOMAKI Fumiyasu: "Bayesian predictive distribution with right invariant priors"Calcutta Statistical Association Bulletin. 52. 171-179 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] KOMAKI Fumiyasu: "Non informative priors for Bayesian prediction"Proceedings of East Asian Symposium on Statistics. 137-146 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] SEI Tomonari, KOMAKI Fumiyasu: "Geometrical properties of estimators for small diffusions"Proceedings of East Asian Symposium on Statistics. 193-200 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] KOBAYASHI Kei, KOMAKI Fumiyasu: "A Bayesian feature selection for Kernal machines"Proceedings of East Asian Symposium on Statistics. 109-122 (2002)

    • Related Report
      2002 Annual Research Report

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Published: 2002-04-01   Modified: 2016-04-21  

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