Ishii Ryota 石井亮太

Researcher Number	40835633
Other IDs
Affiliation (Current)	2025: 筑波大学, 医学医療系, 助教
Affiliation (based on the past Project Information) *help	2021 – 2024: 筑波大学, 医学医療系, 助教 2019 – 2020: 慶應義塾大学, 医学部(信濃町), 特任助教
Review Section/Research Field	Except Principal Investigator Basic Section 60030:Statistical science-related / Medium-sized Section 58:Society medicine, nursing, and related fields / Basic Section 59020:Sports sciences-related / Basic Section 58010:Medical management and medical sociology-related / Basic Section 64010:Environmental load and risk assessment-related
Keywords	Except Principal Investigator モデル誤特定 / 欠測データ / 経時データ / MMRM小標本補正 / データベース / 副作用 / 統計モデル / 薬物相互作用 / 医薬品データベース / スパースデータ … More / シグナル検出 / 遺伝子ドーピング検出法 / 遺伝子ドーピング / レアイベント / 小標本バイアス補正 / グローバル検定 / 外部対照 / アダプティブデザイン / 新生児 / 揮発性有機化合物 / 分布形状 / MMRM法 / バイアス / ソフトウェア / 非ランダム下における推測 / Rパッケージ解説 / Box--Cox変換 / ロバスト分散 / Rパッケージ / model misspecification / robust variance / 欠測 / 歪んだデータ / ロバストネス Less

小規模臨床試験のデザインと解析と基盤整備
- Principal Investigator
  
  五所正彦
- Project Period (FY)
  2024 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 58010:Medical management and medical sociology-related
- Research Institution
  University of Tsukuba
早産児に対する医療環境からのVOC曝露に関する調査
- Principal Investigator
  
  日高大介
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 64010:Environmental load and risk assessment-related
- Research Institution
  University of Tsukuba
In research on concept of Athlete Biological Passport in gene doping tsst
- Principal Investigator
  
  竹越一博
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 59020:Sports sciences-related
- Research Institution
  University of Tsukuba
Research on problem solving and extensions to analysis methods for longitudinal data
- Principal Investigator
  
  丸尾和司
- Project Period (FY)
  2023 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60030:Statistical science-related
- Research Institution
  University of Tsukuba
機械学習を用いた副作用自動検出アプリケーションの開発
- Principal Investigator
  
  五所正彦
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 58:Society medicine, nursing, and related fields
- Research Institution
  University of Tsukuba
Research on model misspecification for longitudinal data analysis
- Principal Investigator
  
  Maruo Kazushi
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60030:Statistical science-related
- Research Institution
  University of Tsukuba

All 2024 2023 2022 2021 2020

All Journal Article

[Journal Article] Multivariate generalized mixed-effects models for screening multiple adverse drug reactions in spontaneous reporting systems2024
- Author(s)
  Gosho Masahiko、Ishii Ryota、Ohigashi Tomohiro、Maruo Kazushi
- Journal Title
  
  Frontiers in Pharmacology
  
  Volume: 15
- DOI
  10.3389/fphar.2024.1312803
- Open Access
- Data Source
  KAKENHI-PROJECT-22K19682
[Journal Article] A comparison of bias‐adjusted generalized estimating equations for sparse binary data in small‐sample longitudinal studies2023
- Author(s)
  Gosho Masahiko、Ishii Ryota、Noma Hisashi、Maruo Kazushi
- Journal Title
  
  Statistics in Medicine
  
  Volume: 42 Issue: 15 Pages: 2711-2727
- DOI
  10.1002/sim.9744
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K19682
[Journal Article] Finite-sample performance of the robust variance estimator in the presence of missing data2022
- Author(s)
  Ishii Ryota、Maruo Kazushi、Doi Masaaki、Gosho Masahiko
- Journal Title
  
  Communications in Statistics - Simulation and Computation
  
  Volume: online first Issue: 6 Pages: 1-12
- DOI
  10.1080/03610918.2022.2084107
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K11849
[Journal Article] bcmixed: A Package for Median Inference on Longitudinal Data with the Box?Cox Transformation2021
- Author(s)
  Maruo Kazushi、Ishii Ryota、Yamaguchi Yusuke、Gosho Masahiko
- Journal Title
  
  The R Journal
  
  Volume: 13 Issue: 2 Pages: 153-153
- DOI
  10.32614/rj-2021-083
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K11187, KAKENHI-PROJECT-19K11849
[Journal Article] A note on the bias of standard errors when orthogonality of mean and variance parameters is not satisfied in the mixed model for repeated measures analysis2020
- Author(s)
  Maruo Kazushi、Ishii Ryota、Yamaguchi Yusuke、Doi Masaaki、Gosho Masahiko
- Journal Title
  
  Statistics in Medicine
  
  Volume: 39 Issue: 9 Pages: 1264-1274
- DOI
  10.1002/sim.8474
- NAID
  120007132671
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K11187, KAKENHI-PROJECT-19K11849

1. Maruo Kazushi (10777999)

# of Collaborated Projects: 3 results

# of Collaborated Products: 1 results
2. 五所正彦 (70701019)

# of Collaborated Projects: 2 results

# of Collaborated Products: 4 results
3. 日高大介 (20758924)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 中山祥嗣 (00368705)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 西浜柚季子 (10806235)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 藤山聡 (20633283)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 大東智洋 (90980863)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 竹越一博 (40261804)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 志田隆史 (10883267)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 青木海 (20914302)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 渡部厚一 (30447247)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 竹村瑞穂 (70634351)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Ishii Ryota 石井 亮太

Research Projects

Research Products

Co-Researchers

小規模臨床試験のデザインと解析と基盤整備

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

早産児に対する医療環境からのVOC曝露に関する調査

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

In research on concept of Athlete Biological Passport in gene doping tsst

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Research on problem solving and extensions to analysis methods for longitudinal data

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

機械学習を用いた副作用自動検出アプリケーションの開発

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Research on model misspecification for longitudinal data analysis

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Multivariate generalized mixed-effects models for screening multiple adverse drug reactions in spontaneous reporting systems2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] A comparison of bias‐adjusted generalized estimating equations for sparse binary data in small‐sample longitudinal studies2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Finite-sample performance of the robust variance estimator in the presence of missing data2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] bcmixed: A Package for Median Inference on Longitudinal Data with the Box?Cox Transformation2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] A note on the bias of standard errors when orthogonality of mean and variance parameters is not satisfied in the mixed model for repeated measures analysis2020

Author(s)

Journal Title

DOI

NAID

Data Source

Ishii Ryota 石井亮太