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Yagi Ayaka  八木 文香

ORCIDConnect your ORCID iD *help
Researcher Number 40823547
Other IDs
Affiliation (Current) 2025: 東京理科大学, 理学部第一部応用数学科, 講師
Affiliation (based on the past Project Information) *help 2023: 東京理科大学, 理学部第一部応用数学科, 講師
2019 – 2022: 東京理科大学, 理学部第一部応用数学科, 助教
Review Section/Research Field
Principal Investigator
Basic Section 12040:Applied mathematics and statistics-related / Basic Section 60030:Statistical science-related
Keywords
Principal Investigator
統計的仮説検定 / 単調欠測データ / 尤度比検定 / 成長曲線モデル / 最尤推定量
  • Research Projects

    (2 results)
  • Research Products

    (30 results)
  • Co-Researchers

    (1 People)
  •  単調欠測データをもつ成長曲線モデルにおける検定とモデル選択についてPrincipal Investigator

    • Principal Investigator
      八木 文香
    • Project Period (FY)
      2022 – 2024
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 12040:Applied mathematics and statistics-related
    • Research Institution
      Tokyo University of Science
  •  Statistical hypothesis testing in growth curve model with missing valuesPrincipal Investigator

    • Principal Investigator
      Yagi Ayaka
    • Project Period (FY)
      2019 – 2023
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 60030:Statistical science-related
    • Research Institution
      Tokyo University of Science

All 2024 2023 2022 2021 2020 2019

All Journal Article Presentation

  • [Journal Article] Simultaneous Tests for Mean Vectors and Covariance Matrices with Three-Step Monotone Missing Data2024

    • Author(s)
      Remi Sakai, Ayaka Yagi, Takashi Seo
    • Journal Title

      Journal of Statistical Theory and Practice

      Volume: 18 Issue: 1 Pages: 1-32

    • DOI

      10.1007/s42519-023-00355-2

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21K11795, KAKENHI-PROJECT-19K20225
  • [Journal Article] An Asymptotic Expansion of the Null Distribution for Sphericity Test Statistic with Monotone Missing Data2024

    • Author(s)
      Sato, T., Yagi, A. and Seo, T.
    • Journal Title

      Statistical Research Group, Hiroshima University, Hiroshima, Japan

      Volume: 1 Pages: 1-30

    • Open Access
    • Data Source
      KAKENHI-PROJECT-22K13961
  • [Journal Article] Tests for One and Two Mean Vectors and Simultaneous Confidence Intervals with Monotone Incomplete Data2023

    • Author(s)
      Yagi, A. and Seo, T.
    • Journal Title

      Statistical Research Group, Hiroshima University, Hiroshima, Japan

      Volume: 2 Pages: 1-36

    • Open Access
    • Data Source
      KAKENHI-PROJECT-19K20225
  • [Journal Article] Testing equality of two mean vectors with monotone incomplete data2023

    • Author(s)
      Ayaka Yagi, Takashi Seo, Zofia Hanusz
    • Journal Title

      COMMUNICATIONS IN STATISTICS - SIMULATION AND COMPUTATION

      Volume: 52 Issue: 2 Pages: 506-522

    • DOI

      10.1080/03610918.2020.1861291

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-21K11795, KAKENHI-PROJECT-19K20225
  • [Journal Article] Testing equality of multivariate normal populations with three-step monotone missing data2022

    • Author(s)
      Sakai, R., Yagi, A. and Seo, T.
    • Journal Title

      Statistical Research Group, Hiroshima University, Hiroshima, Japan

      Volume: 4 Pages: 1-22

    • Open Access
    • Data Source
      KAKENHI-PROJECT-19K20225
  • [Journal Article] AIC for Growth Curve Model with Monotone Missing Data2022

    • Author(s)
      Yagi, A., Seo, T. and Fujikoshi, Y.
    • Journal Title

      American Journal of Mathematical and Management Sciences

      Volume: 41 Issue: 2 Pages: 185-199

    • DOI

      10.1080/01966324.2021.1946667

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K20225, KAKENHI-PROJECT-21K11795
  • [Journal Article] Simultaneous testing of mean vector and covariance matrix with three-step monotone missing data2021

    • Author(s)
      Sakai, R., Yagi, A. and Seo, T.
    • Journal Title

      Statistical Research Group, Hiroshima University, Hiroshima, Japan

      Volume: 4 Pages: 1-17

    • Open Access
    • Data Source
      KAKENHI-PROJECT-19K20225
  • [Journal Article] Maximum likelihood estimators in growth curve model with monotone missing data2021

    • Author(s)
      Yagi, A., Seo, T. and Fujikoshi, Y.
    • Journal Title

      American Journal of Mathematical and Management Sciences

      Volume: 40 Issue: 1 Pages: 1-16

    • DOI

      10.1080/01966324.2020.1791290

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K20225
  • [Journal Article] Modified likelihood ratio test for simultaneous testing of mean vectors and covariance matrices with missing data.2020

    • Author(s)
      Nomura, Remi, Yagi, A., Seo, T.
    • Journal Title

      Statistical Research Group, Hiroshima University, Hiroshima, Japan

      Volume: 4 Pages: 1-14

    • Open Access
    • Data Source
      KAKENHI-PROJECT-19K20225
  • [Journal Article] AIC for growth curve model with monotone missing data2020

    • Author(s)
      Yagi, A., Seo, T. and Fujikoshi, Y.
    • Journal Title

      Statistical Research Group, Hiroshima University, Hiroshima, Japan

      Volume: 9 Pages: 1-20

    • Open Access
    • Data Source
      KAKENHI-PROJECT-19K20225
  • [Journal Article] New test statistics for one and two mean vectors with two-step monotone missing data2020

    • Author(s)
      Onozawa, M., Yagi, A. and Seo, T.
    • Journal Title

      International Journal of Statistics and Probability

      Volume: 9 Pages: 56-75

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K20225
  • [Journal Article] Maximum likelihood estimators in growth curve model with monotone missing data2019

    • Author(s)
      Yagi, A., Seo, T., Fujikoshi, Y.
    • Journal Title

      Statistical Research Group, Hiroshima University, Hiroshima, Japan

      Volume: 8 Pages: 1-21

    • Open Access
    • Data Source
      KAKENHI-PROJECT-19K20225
  • [Presentation] 単調欠測データの下でのスフェリシティ検定における検定統計量の帰無分布に対する漸近展開2024

    • Author(s)
      佐藤哲也,八木文香,瀬尾隆
    • Organizer
      RIMS 共同研究(グループ型A)による研究会
    • Data Source
      KAKENHI-PROJECT-22K13961
  • [Presentation] 3-step 単調欠測データにおけるT^2型検定統計量を用いた平均ベクトルの検定2024

    • Author(s)
      森本直紀,八木文香,瀬尾隆
    • Organizer
      科研費シンポジウム「統計科学・機械学習・情報数学の最前線」
    • Data Source
      KAKENHI-PROJECT-19K20225
  • [Presentation] 成長曲線モデルにおける平均構造の適合性検定2023

    • Author(s)
      松尾直紀,八木文香,瀬尾隆
    • Organizer
      日本計算機統計学会
    • Data Source
      KAKENHI-PROJECT-22K13961
  • [Presentation] On the Test for Adequacy in Growth Curve Model with Two-step Monotone Missing Data2023

    • Author(s)
      八木文香,尾﨑冬弥,瀬尾隆
    • Organizer
      日本数学会
    • Data Source
      KAKENHI-PROJECT-22K13961
  • [Presentation] 単調型欠測をもつ成長曲線モデルにおける推定問題とその周辺2023

    • Author(s)
      八木 文香,瀬尾 隆
    • Organizer
      研究集会『多変量統計学・統計的モデル選択の新展開』
    • Data Source
      KAKENHI-PROJECT-19K20225
  • [Presentation] An Asymptotic Expansion of the Null Distribution for Sphericity Test Statistic with Monotone Missing Data2023

    • Author(s)
      佐藤哲也,八木文香,瀬尾隆
    • Organizer
      東京理科大学研究推進機構総合研究院(RIST)データサイエンス医療研究部門・ デジタルトランスフォーメーション研究部門合同シンポジウム~データサイエンス とデジタルトランスフォーメーションの融合~
    • Data Source
      KAKENHI-PROJECT-22K13961
  • [Presentation] An Asymptotic Expansion of the Distribution for Sphericity Test Statistic with Monotone Missing Data2023

    • Author(s)
      佐藤哲也,八木文香,瀬尾隆
    • Organizer
      日本計算機統計学会
    • Data Source
      KAKENHI-PROJECT-22K13961
  • [Presentation] Multivariate Pairwise Comparisons Among Mean Vectors with Monotone Missing Data2022

    • Author(s)
      八木文香,瀬尾隆
    • Organizer
      日本数学会
    • Data Source
      KAKENHI-PROJECT-19K20225
  • [Presentation] A Test for Adequacy in Growth Curve Model with Two-step Monotone Missing Data2022

    • Author(s)
      尾﨑冬弥,八木文香,瀬尾隆
    • Organizer
      日本計算機統計学会
    • Data Source
      KAKENHI-PROJECT-22K13961
  • [Presentation] 2-step単調欠測データの下での平均ベクトルと分散共分散行列の同時検定に対する尤度比検定統計量のバートレット補正2022

    • Author(s)
      橋田航平,八木文香,瀬尾隆
    • Organizer
      日本計算機統計学会
    • Data Source
      KAKENHI-PROJECT-22K13961
  • [Presentation] A New Test Statistic for Two Mean Vectors with Monotone Missing Data2021

    • Author(s)
      八木文香,瀬尾隆
    • Organizer
      日本数学会
    • Data Source
      KAKENHI-PROJECT-19K20225
  • [Presentation] 3-step単調欠測データの下での平均ベクトルと分散共分散行列の同時検定に対する尤度比検定統計量2021

    • Author(s)
      酒井玲美,八木文香,瀬尾隆
    • Organizer
      日本統計学会
    • Data Source
      KAKENHI-PROJECT-19K20225
  • [Presentation] 単調型欠測をもつ2つの平均ベクトルに対する同等性検定問題2021

    • Author(s)
      八木文香,瀬尾隆
    • Organizer
      日本計算機統計学会
    • Data Source
      KAKENHI-PROJECT-19K20225
  • [Presentation] 2-step単調欠測データの下での分散共分散行列におけるスフェリシティ検定2021

    • Author(s)
      菊地武生,八木文香,瀬尾隆
    • Organizer
      応用統計学会
    • Data Source
      KAKENHI-PROJECT-19K20225
  • [Presentation] 3-step単調欠測データの下での平均ベクトルと分散共分散行列の同時検定2020

    • Author(s)
      酒井玲美,八木文香,瀬尾隆
    • Organizer
      日本計算機統計学会
    • Data Source
      KAKENHI-PROJECT-19K20225
  • [Presentation] 2標本問題における2-step単調欠測データの下での平均ベクトルに対する新たな検定統計量2020

    • Author(s)
      八木文香,小野沢瑞季,瀬尾隆
    • Organizer
      日本数学会
    • Data Source
      KAKENHI-PROJECT-19K20225
  • [Presentation] 3-step 単調欠測データをもつ成長曲線モデルに関するAIC 型選択規準2019

    • Author(s)
      八木文香,瀬尾隆,藤越康祝
    • Organizer
      日本数学会
    • Data Source
      KAKENHI-PROJECT-19K20225
  • [Presentation] 一般欠測データの下での多変量正規母集団の同等性検定2019

    • Author(s)
      野村玲実,八木文香,瀬尾隆
    • Organizer
      日本計算機統計学会
    • Data Source
      KAKENHI-PROJECT-19K20225
  • 1.  瀬尾 隆
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 2 results

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