morikawa kosuke 森川耕輔

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MORIKAWA Kosuke 森川耕輔

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Researcher Number	40824305
Other IDs
Affiliation (Current)	2025: 大阪大学, 大学院基礎工学研究科, 招へい教員
Affiliation (based on the past Project Information) *help	2025: 大阪大学, 大学院基礎工学研究科, 招へい教員 2023 – 2024: 大阪大学, 大学院基礎工学研究科, 講師 2020 – 2021: 大阪大学, 基礎工学研究科, 講師 2018 – 2019: 大阪大学, 基礎工学研究科, 助教 2017: 東京大学, 地震研究所, 特任研究員
Review Section/Research Field	Principal Investigator Basic Section 60030:Statistical science-related / Basic Section 12040:Applied mathematics and statistics-related Except Principal Investigator Statistical science / Medium-sized Section 60:Information science, computer engineering, and related fields
Keywords	Principal Investigator 欠測値データ解析 / 因果推論 / 特異モデル / 傾向スコア / 経験尤度法 / 無視不可能な欠測 / セミパラメトリック推定 / 多変量解析 / 無視できない欠測 / 数理統計学 / 多重代入法 … More Except Principal Investigator … More 統計的因果推論 / セミパラメトリック法 / 4次元変分法 / データ同化 / Ginzburg-Landau方程式 / 代替関数 / サロゲートモデル / サンプリング / モデリング / 情報統計 / 地震 / 脳内ネットワーク / 項目反応理論 / 多次元尺度法 / 脳科学 / 順序カテゴリカルデータ / 脳信号 / ワーキングメモリ / 強化学習 / 一般化線形混合モデル / モデル選択 / 欠測値データ / 脳情報 / ランダムネスの効用 / missing data analysis / 多重指標 / うつ病 / Bayesian inference / Causal inference / 測定誤差 / スパースコーディング / 欠測データと生体情報 / sparse modeling / big data / cyclic model / missingness / causality / 脳科学・脳情報 / fMRIデータ / メタアナリシス / 欠測値データ解析 / 巡回因果モデル / 推定方程式の不偏性 / MAR / 推定量のバイアス / APB / NMARness / 欠測メカニズム / 多重代入法 / 対数正規モデル / 脱落 / モデルの識別性 / 双方向因果モデル / MLEのバイアス / 補助変数 / バイアス / NMAR / shared-parameter model / 無視不可能な欠測 Less

特異な傾向スコアを用いた統計的推測：傾向スコアの境界値問題への対処Principal Investigator
- Principal Investigator
  
  森川耕輔
- Project Period (FY)
  2024 – 2027
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 60030:Statistical science-related
- Research Institution
  Osaka University
Mathematical Foundation for Seismic Modeling Pioneered by Information Statistics
- Principal Investigator
  
  長尾大道
- Project Period (FY)
  2023 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 60:Information science, computer engineering, and related fields
- Research Institution
  The University of Tokyo
Multiple Imputation making non-ignorable missing-data mechanism ignorable in a new frameworkPrincipal Investigator
- Principal Investigator
  
  Kosuke Morikawa
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 12040:Applied mathematics and statistics-related
- Research Institution
  Osaka University
How serious is nonignorable missingness?
- Principal Investigator
  
  Kano Yutaka
- Project Period (FY)
  2016 – 2017
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Statistical science
- Research Institution
  Osaka University
Statistical Science of Bioinformatics
- Principal Investigator
  
  Kano Yutaka
- Project Period (FY)
  2015 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Statistical science
- Research Institution
  Osaka University

All 2023 2021 2020 2019 2018 2017 2016 2015

All Journal Article Presentation

[Journal Article] Semiparametric optimal estimation with nonignorable nonresponse data2021
- Author(s)
  Morikawa Kosuke、Kim Jae Kwang
- Journal Title
  
  The Annals of Statistics
  
  Volume: 49 Issue: 5 Pages: 2991-3014
- DOI
  10.1214/21-aos2070
- Open Access
- Data Source
  KAKENHI-PROJECT-19K14592
[Journal Article] G20 Summit and emergency medical services in Osaka, Japan2021
- Author(s)
  Tanaka Kenta、Morikawa Kosuke、Katayama Yusuke、Kitamura Tetsuhisa、Sobue Tomotaka、Nakao Shota、Nitta Masahiko、Iwami Taku、Fujimi Satoshi、Uejima Toshifumi、Miyamoto Yuji、Baba Takehiko、Mizobata Yasumitsu、Kuwagata Yasuyuki、Matsuoka Tetsuya、Shimazu Takeshi
- Journal Title
  
  Acute Medicine & Surgery
  
  Volume: 8 Issue: 1
- DOI
  10.1002/ams2.661
- Open Access
- Data Source
  KAKENHI-PROJECT-19K14592
[Journal Article] Forecasting temporal variation of aftershocks immediately after a main shock using Gaussian process regression2021
- Author(s)
  Morikawa, K., H. Nagao, S. Ito, Y. Terada, S. Sakai, and N. Hirata
- Journal Title
  
  Geophysical Journal International
  
  Volume: - Issue: 2 Pages: 1018-1035
- DOI
  10.1093/gji/ggab124
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K21785, KAKENHI-PROJECT-19K14592, KAKENHI-PROJECT-17H01703, KAKENHI-PROJECT-18H03210, KAKENHI-PROJECT-17H01704, KAKENHI-PROJECT-20K19756
[Journal Article] Bayesian Semiparametric Modeling of Response Mechanism for Nonignorable Missing Data.2021
- Author(s)
  Sugasawa, S., Morikawa, K. and Takahata, K.
- Journal Title
  
  TEST
  
  Volume: 未定
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K14592
[Journal Article] Semiparametric optimal estimation with nonignorable nonresponse data2021
- Author(s)
  Morikawa, K. and Kim, J. K.
- Journal Title
  
  Annals of Statistics
  
  Volume: 未定
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K14592
[Journal Article] Bayesian semiparametric modeling of response mechanism for nonignorable missing data2021
- Author(s)
  Sugasawa Shonosuke、Morikawa Kosuke、Takahata Keisuke
- Journal Title
  
  TEST
  
  Volume: 31 Issue: 1 Pages: 101-117
- DOI
  10.1007/s11749-021-00774-y
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K14592, KAKENHI-PROJECT-20H00080
[Journal Article] A least squares-type density estimator using a polynomial function2020
- Author(s)
  Im, J., Morikawa, K., and Ha, H.-T.
- Journal Title
  
  Computational Statistics and Data Analysis
  
  Volume: 144 Pages: 106882-106882
- DOI
  10.1016/j.csda.2019.106882
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14592, KAKENHI-PROJECT-15H02669
[Journal Article] Full Moon and Out-of-Hospital Cardiac Arrest in Japan　― Population-Based, Double-Controlled Case Series Analysis ―2019
- Author(s)
  Sado Junya、Morikawa Kosuke、Hattori Satoshi、Kiyohara Kosuke、Matsuyama Tasuku、Izawa Junichi、Iwami Taku、Kitamura Yuri、Sobue Tomotaka、Kitamura Tetsuhisa
- Journal Title
  
  Circulation Reports
  
  Volume: 1 Issue: 5 Pages: 212-218
- DOI
  10.1253/circrep.CR-18-0030
- NAID
  130007644550
- ISSN
  2434-0790
- Year and Date
  2019-05-10
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K09393, KAKENHI-PROJECT-15H02669
[Journal Article] Identification problem of transition models for repeated measurement data with nonignorable missing2018
- Author(s)
  Morikawa, K. and Kano, Y.
- Journal Title
  
  Journal of Multivariate Analysis
  
  Volume: 印刷中 Pages: 216-230
- DOI
  10.1016/j.jmva.2017.12.007
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K12402
[Journal Article] Identifiability of nonrecursive structural equation models2017
- Author(s)
  Nagase, M. and Kano, Y.
- Journal Title
  
  Statistics and Probability Letter
  
  Volume: 122 Pages: 109-117
- DOI
  10.1016/j.spl.2016.11.010
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02669, KAKENHI-PROJECT-16K12402
[Presentation] Forecasting aftershocks immediately after the large main shock with epidemic-type aftershock detection function2023
- Author(s)
  森川耕輔, 長尾大道, 平田直
- Organizer
  日本地球惑星科学連合大会
- Data Source
  KAKENHI-PROJECT-23H00466
[Presentation] Forecasting aftershocks immediately after the large main shock with epidemic-type aftershock detection function2023
- Author(s)
  Morikawa, K., H. Nagao, and N. Hirata
- Organizer
  Asia Oceania Geosciences Society, The 20th Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H00466
[Presentation] 標本調査における包含確率の情報を用いたセミパラメトリック漸近有効推定量の提案2021
- Author(s)
  森川耕輔, Jae Kwang Kim
- Organizer
  統計関連学会連合大会
- Data Source
  KAKENHI-PROJECT-19K14592
[Presentation] Forecasting temporal variation of aftershocks immediately after a main shock using Gaussian process regression.2021
- Author(s)
  Morikawa, K., Nagao, H., Ito, S., Sakai, S. and Hirata, N.
- Organizer
  Asia Oceania Geosciences Society
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14592
[Presentation] Forecasting temporal variation of aftershocks immediately after a main shock using Gaussian process regression.2021
- Author(s)
  Morikawa, K., Nagao, H., Ito, S., Terada, Y. Sakai, S. and Hirata, N.
- Organizer
  Japan Geoscience Union Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14592
[Presentation] ガウス過程回帰を用いた本震直後における余震分布の推定2021
- Author(s)
  森川耕輔, 長尾大道, 伊藤伸一, 寺田吉壱, 酒井慎一, 平田直
- Organizer
  日本地震学会秋季大会
- Data Source
  KAKENHI-PROJECT-19K14592
[Presentation] On the Verifiable Identification Condition in NMAR Missing Data Analysis.2021
- Author(s)
  Beppu, K. and Morikawa, K.
- Organizer
  The 3rd International Conference on Econometrics and Statistics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14592
[Presentation] On the Verifiable Identification Condition in NMAR Missing Data Analysis.2021
- Author(s)
  Beppu, K. and Morikawa, K.
- Organizer
  10th World Congress in Probability and Statistics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14592
[Presentation] ガウス過程回帰を用いた本震直後における余震分布の推定2021
- Author(s)
  森川耕輔, 長尾大道, 伊藤伸一, 寺田吉壱, 酒井慎一, 平田直
- Organizer
  統計関連学会連合大会
- Data Source
  KAKENHI-PROJECT-19K14592
[Presentation] Prediction of aftershocks with Gaussian process regression: application to the 2004 Chuetsu Earthquake2020
- Author(s)
  Kosuke Morikawa
- Organizer
  Prediction of aftershocks with Gaussian process regression: application to the 2004 Chuetsu earthquake
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14592
[Presentation] 経験尤度法を用いたNMAR データに対するセミパラメトリック多重代入法2019
- Author(s)
  森川耕輔, 寺田吉壱, Jae Kwang Kim
- Organizer
  日本統計関連学会連合大会
- Data Source
  KAKENHI-PROJECT-19K14592
[Presentation] Bias Correction for the Distribution of Aftershocks Within Short-Term Period Immediately After Large Mainshock2019
- Author(s)
  Morikawa, K., Nagao, H., Ito, S., Sakai, S. and Hirata, N.
- Organizer
  AOGS2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02669
[Presentation] Semiparametric optimal estimation with nonignorable nonresponse data2018
- Author(s)
  Kim, J.-K. and Morikawa, K.
- Organizer
  EcoSta2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02669
[Presentation] congeniality と over-imputation を用いた傾向スコアの推定2017
- Author(s)
  森川遼真・森川耕輔・狩野裕
- Organizer
  第11回日本統計学会春季集会ポスターセッション
- Place of Presentation
  政策研究大学（東京都・港区）
- Data Source
  KAKENHI-PROJECT-15H02669
[Presentation] Semiparametric Efficient Estimation Under Nonignorable Nonresponse I2016
- Author(s)
  Morikawa, K. and Kim, J. K.
- Organizer
  KAIST Statistical Workshop
- Place of Presentation
  Daejeon (Korea)
- Year and Date
  2016-10-01
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02669
[Presentation] Semiparametric Adaptive Estimation With Nonignorable Nonresponse Data2016
- Author(s)
  Morikawa, K. and Kim, J. K.
- Organizer
  広島統計談話会
- Place of Presentation
  放射線影響研究所（広島県・南区）
- Data Source
  KAKENHI-PROJECT-16K12402
[Presentation] A New Information Criterion for Ignorable Missing Data2016
- Author(s)
  Morikawa, K., Imori, S. and Kano, Y.
- Organizer
  IC-SMHD-2016
- Place of Presentation
  Cappadocia (Turkey)
- Year and Date
  2016-05-18
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02669
[Presentation] 不完全データにおける情報量規準2015
- Author(s)
  森川耕輔・伊森晋平・狩野　裕
- Organizer
  日本行動計量学会第43回大会
- Place of Presentation
  首都大学東京（東京都八王子市）
- Year and Date
  2015-09-01
- Data Source
  KAKENHI-PROJECT-15H02669

1. Kano Yutaka (20201436)

# of Collaborated Projects: 2 results

# of Collaborated Products: 5 results
2. 廣瀬慧 (40609806)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
3. TAKAI Keiji (20572019)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. OTSU Tatsuo (10203829)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 岩崎学 (40255948)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 菊地賢一 (50270426)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 伊森晋平 (80747345)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 乾敏郎 (30107015)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 春野雅彦 (40395124)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 野村泰伸 (50283734)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 村田昇 (60242038)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 小林康 (60311198)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 長尾大道 (80435833)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
14. 加納将行 (10739056)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 伊藤伸一 (10756331)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. 平田直 (90156670)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
17. IMADA Miyuki

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. TAKAGI Yoshiharu

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. NAGASE Mario

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. Kim Jae-Kwang

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
21. Yuan Ke-Hai

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. Jamshidian Mortaza(Mori)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

morikawa kosuke 森川 耕輔

MORIKAWA Kosuke 森川 耕輔

Research Projects

Research Products

Co-Researchers

特異な傾向スコアを用いた統計的推測：傾向スコアの境界値問題への対処Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Mathematical Foundation for Seismic Modeling Pioneered by Information Statistics

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Multiple Imputation making non-ignorable missing-data mechanism ignorable in a new frameworkPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

How serious is nonignorable missingness?

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Statistical Science of Bioinformatics

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Semiparametric optimal estimation with nonignorable nonresponse data2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] G20 Summit and emergency medical services in Osaka, Japan2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Forecasting temporal variation of aftershocks immediately after a main shock using Gaussian process regression2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Bayesian Semiparametric Modeling of Response Mechanism for Nonignorable Missing Data.2021

Author(s)

Journal Title

Data Source

[Journal Article] Semiparametric optimal estimation with nonignorable nonresponse data2021

Author(s)

Journal Title

Data Source

[Journal Article] Bayesian semiparametric modeling of response mechanism for nonignorable missing data2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] A least squares-type density estimator using a polynomial function2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Full Moon and Out-of-Hospital Cardiac Arrest in Japan ― Population-Based, Double-Controlled Case Series Analysis ―2019

Author(s)

Journal Title

DOI

NAID

ISSN

Year and Date

Language

Data Source

[Journal Article] Identification problem of transition models for repeated measurement data with nonignorable missing2018

Author(s)

Journal Title

morikawa kosuke 森川耕輔

MORIKAWA Kosuke 森川耕輔

[Journal Article] Full Moon and Out-of-Hospital Cardiac Arrest in Japan　― Population-Based, Double-Controlled Case Series Analysis ―2019