Rchr
J-GLOBAL ID：201801001117735650   Update date: Sep. 20, 2024

ISHII Ryota

イシイ リョウタ | ISHII Ryota
Affiliation and department：
University of Tsukuba Institute of Medicine

About University of Tsukuba Institute of Medicine


Job title： Assistant Professor
Homepage URL  (1)： https://sites.google.com/view/tsukuba-biostatistics/
Research field  (1)： Statistical science
Research keywords  (2)： Clinical trial ,  Biostatistics
Papers (59)：
  • Ryota Ishii, Kazushi Maruo, Masaaki Doi, Masahiko Gosho. Finite-sample performance of the robust variance estimator in the presence of missing data. Communications in Statistics - Simulation and Computation. 2024. 53. 6. 2692-2703
  • Isogawa, Naoki, Grieve, Andy, Ishii, Ryota, Maruo, Kazushi. Performance Evaluation of Interim Analysis in Bioequivalence Studies. Therapeutic innovation & regulatory science. 2024
  • Shimane, Gaku, Nakano, Yutaka, Kitago, Minoru, Yagi, Hiroshi, Abe, Yuta, Hasegawa, Yasushi, Soga, Shigeyoshi, Okuda, Shigeo, Ishii, Ryota, Kitagawa, Yuko. Preoperative predictive factors for positive peritoneal cytology results in patients with pancreatic ductal adenocarcinomas: a retrospective study. INTERNATIONAL JOURNAL OF CLINICAL ONCOLOGY. 2024. 29
  • Hara, Monami, Suzuki, Hisato, Hayashi, Daisuke, Morii, Wataru, Nakamura, Takako, Kiyoki, Kaori, Hara, Hideki, Ishii, Ryota, Noguchi, Emiko, Takada, Hidetoshi. Gut microbiota of one-and-a-half-year-old food-allergic and healthy children. Allergology international : official journal of the Japanese Society of Allergology. 2024
  • Ikenoue, Satoru, Akiba, Yohei, Ishii, Ryota, Otani, Toshimitsu, Kasuga, Yoshifumi, Tanaka, Mamoru. Association of maternal obesity with growth of fetal fractional limb volume. EARLY HUMAN DEVELOPMENT. 2024. 191
ｍore...
MISC (1)：
  • 石井 亮太, 丸尾 和司, 五所 正彦. 加速モデルにおける対数尤度比統計量のBartlett補正. 日本計算機統計学会シンポジウム論文集. 2016. 30. 185-188
Lectures and oral presentations  (13)：
  • 小標本経時二値データの解析
    (2024年度統計関連学会連合大会)
  • Bias adjustment in an adaptive seamless design with different binary outcomes
    (45th Annual Conference of the International Society for Clinical Biostatistics)
  • 二値評価項目を用いたアダプティブシームレスデザインに対する解析法
    (2024年度日本計量生物学会年会)
  • 異なる二値評価項目を用いたアダプティブシームレスデザインに対するバイアス補正法
    (日本計算機統計学会第37回シンポジウム)
  • Association between microenvironment-related genes and prognosis of primary CNS lymphoma
    (第85回 日本血液学会学術集会)
ｍore...
Works (2)：
  • R package "geessbin": Modified Generalized Estimating Equations for Binary Outcome
    Ishii R 2023 - 現在
  • R package "bcmixed": Mixed Effect Model with the Box-Cox Transformation
    Maruo K, Ishii R 2020 - 現在
Education (4)：
  • 2017 - 2021 University of Tsukuba Graduate School of Comprehensive Human Sciences Doctoral program in Clinical Sciences
  • 2013 - 2015 Tohoku University Graduate School of Science Department of Mathematics
  • 2010 - 2013 Tohoku University Faculty of Science Department of Mathematics
  • 2005 - 2010 Gunma National College of Technology Department of Civil Engineering
Work history (3)：
  • 2021/04 - 現在 University of Tsukuba Faculty of Medicine Assistant Professor
  • 2018/09 - 2021/03 Keio University Hospital Clinical and Translational Research Center Project Assistant Professor
  • 2015/04 - 2018/08 Kowa Company, Ltd. Department of Data Science
Committee career (2)：
  • 2023/04 - 現在 Japanese Journal of Statistics and Data Science Associate Editor
  • 2023/04 - 現在 日本計量生物学会誌 「計量生物学」 編集委員
Awards (1)：
  • 2015/02 - 修士論文川井奨励賞
Association Membership(s) (3)：
JAPANESE SOCIETY OF COMPUTATIONAL STATISTICS ,  The Biometric Society of Japan ,  The International Biometric Society
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