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Hamura, Yasuyuki

Graduate School of Economics Senior Lecturer/ Junior Associate Professor

Hamura, Yasuyuki
list
    Last Updated :2024/07/02

    Research

    Research Topics, Overview of the research

    • Research Topics

      Statistics
    • Overview of the research

      Shrinkage Methods; Bayesian Methods

    Research Interests

    • 縮小法
    • ベイズ法

    Research Areas

    • Informatics, Statistical science

    Papers

    • Posterior robustness with milder conditions: Contamination models revisited
      Yasuyuki Hamura; Kaoru Irie; Shonosuke Sugasawa
      Statistics & Probability Letters, Apr. 2024
    • Bayesian shrinkage estimation for stratified count data
      Yasuyuki Hamura
      Japanese Journal of Statistics and Data Science, 14 Nov. 2023
    • Short proof of posterior robustness: An illustration of basic ideas in a simple case
      Yasuyuki Hamura
      Communications in Statistics - Theory and Methods, 03 Oct. 2023
    • Gibbs Sampler for Matrix Generalized Inverse Gaussian Distributions
      Yasuyuki Hamura; Kaoru Irie; Shonosuke Sugasawa
      Journal of Computational and Graphical Statistics, 15 Sep. 2023
    • Locally Adaptive Bayesian Isotonic Regression using Half Shrinkage Priors
      Ryo Okano; Yasuyuki Hamura; Kaoru Irie; Shonosuke Sugasawa
      Scandinavian Journal of Statistics, 07 Aug. 2023
    • Kenward‐Roger–type corrections for inference methods of network meta‐analysis and meta‐regression
      Hisashi Noma; Yasuyuki Hamura; Masahiko Gosho; Toshi A. Furukawa
      Research Synthesis Methods, 03 Jul. 2023
    • Improved methods to construct prediction intervals for network meta‐analysis
      Hisashi Noma; Yasuyuki Hamura; Shonosuke Sugasawa; Toshi A. Furukawa
      Research Synthesis Methods, 03 Jul. 2023
    • Sparse Bayesian Inference on Gamma-Distributed Observations Using Shape-Scale Inverse-Gamma Mixtures
      Yasuyuki Hamura; Takahiro Onizuka; Shintaro Hashimoto; Shonosuke Sugasawa
      Bayesian Analysis, 01 Jan. 2022
    • Robustness of a truncated estimator for the smaller of two ordered means
      Yasuyuki Hamura; Tatsuya Kubokawa
      Statistical Papers, 10 Nov. 2022
    • On Data Augmentation for Models Involving Reciprocal Gamma Functions
      Yasuyuki Hamura; Kaoru Irie; Shonosuke Sugasawa
      Journal of Computational and Graphical Statistics, 06 Sep. 2022
    • Bayesian predictive density estimation with parametric constraints for the exponential distribution with unknown location
      Yasuyuki Hamura; Tatsuya Kubokawa
      Metrika, May 2022
    • Log-regularly varying scale mixture of normals for robust regression
      Yasuyuki Hamura; Kaoru Irie; Shonosuke Sugasawa
      Computational Statistics & Data Analysis, Apr. 2022
    • Bayesian predictive density estimation for a Chi-squared model using information from a normal observation with unknown mean and variance
      Yasuyuki Hamura; Tatsuya Kubokawa
      Journal of Statistical Planning and Inference, Mar. 2022
    • Bayesian shrinkage approaches to unbalanced problems of estimation and prediction on the basis of negative multinomial samples
      Yasuyuki Hamura
      Japanese Journal of Statistics and Data Science, 18 Nov. 2021
    • Bayesian point estimation and predictive density estimation for the binomial distribution with a restricted probability parameter
      Yasuyuki Hamura
      Communications in Statistics - Theory and Methods, 30 Sep. 2021
    • On Global-Local Shrinkage Priors for Count Data
      Yasuyuki Hamura; Kaoru Irie; Shonosuke Sugasawa
      Bayesian Analysis, 01 Jan. 2021
    • Proper Bayes minimax estimation of parameters of Poisson distributions in the presence of unbalanced sample sizes
      Yasuyuki Hamura; Tatsuya Kubokawa
      Brazilian Journal of Probability and Statistics, 01 Oct. 2020
    • Bayesian shrinkage estimation of negative multinomial parameter vectors
      Yasuyuki Hamura; Tatsuya Kubokawa
      Journal of Multivariate Analysis, Sep. 2020
    • Bayesian predictive distribution for a Poisson model with a parametric restriction
      Yasuyuki Hamura; Tatsuya Kubokawa
      Communications in Statistics - Theory and Methods, 02 Jul. 2020
    • Simultaneous estimation of parameters of Poisson distributions with unbalanced sample sizes
      Yasuyuki Hamura; Tatsuya Kubokawa
      Japanese Journal of Statistics and Data Science, Dec. 2019
    • Bayesian Predictive Distribution for a Negative Binomial Model
      Y. Hamura; T. Kubokawa
      Mathematical Methods of Statistics, Jan. 2019

    External funds: Kakenhi

    • 多次元データの情報を有効に組み合わせるための手法に関する研究
      Grant-in-Aid for Research Activity Start-up
      0107:Economics, business administration, and related fields
      Kyoto University
      羽村 靖之
      From 31 Aug. 2022, To 31 Mar. 2024, Granted
      ベイズ分析;計数データ;集計データ
    • 縮小型事前分布によるベイズ統計的推測の研究
      Grant-in-Aid for Scientific Research (C)
      Basic Section 60030:Statistical science-related
      Kobe University;The University of Tokyo
      丸山 祐造
      From 01 Apr. 2019, To 31 Mar. 2024, Granted
      統計学;ベイズ統計学;事前分布
    list
      Last Updated :2024/07/02

      Education

      Teaching subject(s)

      • From 01 Apr. 2024, To 31 Mar. 2025
        Master's Thesis Workshop 2
        A204, Fall, Graduate School of Economics, 2
      • From 01 Apr. 2024, To 31 Mar. 2025
        Master's Thesis Workshop 1
        A203, Spring, Graduate School of Economics, 2
      • From 01 Apr. 2024, To 31 Mar. 2025
        Introductory seminar
        6279, Spring, Faculty of Economics, 2
      • From 01 Apr. 2024, To 31 Mar. 2025
        Statistics 1
        6031, Spring, Faculty of Economics, 2
      • From 01 Apr. 2024, To 31 Mar. 2025
        Statistics 1
        6031, Fall, Faculty of Economics, 2
      • From 01 Apr. 2023, To 31 Mar. 2024
        Master's Thesis Workshop 2
        A204, Fall, Graduate School of Economics, 2
      • From 01 Apr. 2023, To 31 Mar. 2024
        Master's Thesis Workshop 1
        A203, Spring, Graduate School of Economics, 2
      • From 01 Apr. 2023, To 31 Mar. 2024
        Introductory seminar
        6279, Spring, Faculty of Economics, 2
      • From 01 Apr. 2023, To 31 Mar. 2024
        Statistics 1
        6031, Spring, Faculty of Economics, 2
      • From 01 Apr. 2023, To 31 Mar. 2024
        Statistics 1
        6031, Fall, Faculty of Economics, 2
      • From 01 Apr. 2022, To 31 Mar. 2023
        Statistics 1
        6031, Spring, Faculty of Economics, 2
      • From 01 Apr. 2022, To 31 Mar. 2023
        Statistics 1
        6031, Fall, Faculty of Economics, 2
      • From 01 Apr. 2022, To 31 Mar. 2023
        Introductory seminar
        6279, Spring, Faculty of Economics, 2
      list
        Last Updated :2024/07/02

        Administration

        Faculty management (title, position)

        • From 01 Oct. 2022, To 31 Mar. 2024
          経済学研究科 ハラスメント窓口相談員
        • From 01 Oct. 2022, To 30 Sep. 2023
          経済学研究科 学生委員会 委員
        • From 01 Oct. 2022, To 30 Sep. 2023
          経済学研究科 施設運営委員会 委員

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