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Variable selection problem and evaluation of measuring uncertainty in small area estimation

Research Project

Project/Area Number 19K13667
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 07030:Economic statistics-related
Research InstitutionChiba University

Principal Investigator

Kawakubo Yuki  千葉大学, 大学院社会科学研究院, 准教授 (80771881)

Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2021: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2020: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2019: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords小地域推定 / 変数選択 / 変量効果モデル / 線形混合モデル / 混合効果モデル / 経済統計学
Outline of Research at the Start

本研究の目的は,小地域推定に用いられる統計モデルの変数選択問題に取り組むことである。小地域推定とは,標本調査において少ないサンプルしか得られなかった地域の情報を,統計モデルを用いることによって精度良く推定しようとする手法のことである。統計学の一般理論で得られた変数選択問題の諸結果を,直接的に小地域推定に適用する際に生じうる問題点を明らかにするとともに,それらの問題の解決を試みる。

Outline of Final Research Achievements

In this research project, we addressed the problem of variable selection in mixed effects models used in small area estimation. Small area estimation is a statistical method that attempts to improve the accuracy of estimation at the small area level, where the sample size is small in a sample survey, by using a statistical model called mixed effects models. We worked on the development of variable selection criteria for selecting combinations of auxiliary variables to be included in the mixed effects models.
Within the general framework of variable selection in small area estimation, we addressed several problems in each issue, which were published in international peer-reviewed journals and reported at academic conferences.

Academic Significance and Societal Importance of the Research Achievements

いくつかの本研究成果の共通した着眼点は,変数選択法と,予測量の不確実性の評価との関連である。小地域推定においては,各小地域の推定対象の値を言い当てること(点予測)だけでなく,その不確実性を見積もることを重視している。不確実性の評価方法として,平均二乗予測誤差(MSPE)と呼ばれる指標が一般的であるが,既存手法のほとんどは,候補モデルが真であるという仮定のもとでMSPEを評価していた。しかし本研究においては,この仮定をおかずに,変数選択の不確実性を明示的に考慮したMSPEの評価を行った。従来手法はMSPEを過小評価している可能性が高いことから,本研究成果は学術的にも社会的にも意義が大きい。

Report

(4 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (13 results)

All 2021 2020 2019 Other

All Int'l Joint Research (1 results) Journal Article (4 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 4 results) Presentation (7 results) (of which Int'l Joint Research: 5 results,  Invited: 6 results) Remarks (1 results)

  • [Int'l Joint Research] University of Georgia(米国)

    • Related Report
      2019 Research-status Report
  • [Journal Article] Bayesian Approach to Lorenz Curve Using Time Series Grouped Data2021

    • Author(s)
      Kobayashi Genya、Yamauchi Yuta、Kakamu Kazuhiko、Kawakubo Yuki、Sugasawa Shonosuke
    • Journal Title

      Journal of Business & Economic Statistics

      Volume: Accepted Issue: 2 Pages: 1-16

    • DOI

      10.1080/07350015.2021.1883438

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Estimation and inference for area-wise spatial income distributions from grouped data2020

    • Author(s)
      Sugasawa Shonosuke、Kobayashi Genya、Kawakubo Yuki
    • Journal Title

      Computational Statistics & Data Analysis

      Volume: 145 Pages: 106904-106904

    • DOI

      10.1016/j.csda.2019.106904

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Small area estimation with spatially varying natural exponential families2020

    • Author(s)
      Sugasawa, S., Kawakubo, Y. and Ogasawara, K.
    • Journal Title

      Journal of Statistical Computation and Simulation

      Volume: 90 Issue: 6 Pages: 1039-1056

    • DOI

      10.1080/00949655.2020.1714048

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Observed best selective prediction in small area estimation2019

    • Author(s)
      Sugasawa, S., Kawakubo, Y. and Datta, G.S.
    • Journal Title

      Journal of Multivariate Analysis

      Volume: 173 Pages: 383-392

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] 線形混合モデルにおける平均二乗予測誤差による変数選択2021

    • Author(s)
      川久保友超
    • Organizer
      統計関連学会連合大会
    • Related Report
      2021 Annual Research Report
  • [Presentation] 線形混合モデルの変数選択問題2020

    • Author(s)
      川久保友超
    • Organizer
      東京大学・応用統計ワークショップ
    • Related Report
      2020 Research-status Report
    • Invited
  • [Presentation] Conditional Akaike information under covariate shift with application to small area estimation2019

    • Author(s)
      Yuki Kawakubo
    • Organizer
      EcoSta 2019
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Small area estimation for grouped data2019

    • Author(s)
      Yuki Kawakubo
    • Organizer
      Eastern Asia Chapter of ISBA
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Observed best selective prediction in small area estimation2019

    • Author(s)
      Yuki Kawakubo
    • Organizer
      Conference on Current Trends in Surevey Statistics
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Small area estimation of general finite-population parameters based on grouped data2019

    • Author(s)
      Yuki Kawakubo
    • Organizer
      Workshop on Bayesian Modelling of Income and Wealth
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Variable selection problem for linear mixed model under covariate shift2019

    • Author(s)
      Yuki Kawakubo
    • Organizer
      INDSTATS 2019
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Remarks] Yuki Kawakubo's Website

    • URL

      https://sites.google.com/site/ykawakubostat/

    • Related Report
      2019 Research-status Report

URL: 

Published: 2019-04-18   Modified: 2023-01-30  

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