Ju Young Park
Assistant Professor
Department of Statistics at Yeungnam University
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Contact
Contact
Room 412, Science Building I,
Department of Statistics, College of Natural Sciences
Yeungnam University
280 Daehak-ro, Gyeongsan-si, Gyeongbuk 38541, Republic of Korea
Email: jystat@yu.ac.kr
ORCID: 0000-0003-0782-614X
Research Forcus
Research Forcus
Flexible Survival Modeling × Health Big Data Applications
My research focuses on developing flexible methods for survival analysis, particularly accelerated failure time models, joint models, mixture-based approaches, and methods for addressing immortal time bias. I also develop R packages to facilitate the practical application of these statistical methods. In collaboration with clinical researchers from diverse medical specialties, I conduct epidemiologic studies using large-scale cohort data, particularly Korean national health databases, to address important population health questions and develop reliable disease prediction models.
Education
Education
Ph.D., Department of Applied Statistics, Yonsei University, 2019 - 2024
M.S., Department of Statistics, Hankuk University of Foreign Studies, 2014 - 2016
B.S., Department of Statistics, Hankuk University of Foreign Studies, 2007 - 2014
Research Expreiences
Research Expreiences
Assistant Professor, Department of Statistics, Yeungnam University, South Korea, 2025 - present
Post Doctor, Busan centor for medical mathematics, Natioanl Institute for Mathematical Sciences, South Korea, 2024 - 2025
Researcher, Department of Neurology, Ewha Women University, South Korea, 2023 - 2024
Visiting Scholar, Department of Epidemiology and Population Health, Albert Einstein College of Medicine, USA, 2022 - 2023
Researcher, Department of Biostatistics Collaboration Unit, Yonsei Severance Hospital, South Korea, 2018 - 2020
Researcher, Department of Environmental Health, Korean Environment Institute, South Korea, 2016 - 2018
Researcher, Clinical Big Data Laboratory, Seoul Medical University Hospital Biomedical Research Institute, South Korea, 2015 - 2016
Conference Presentations
Conference Presentations
“Correcting Bias in Parametric Accelerated Failure Time Models with Time-Dependent Covariates: A Flexible Gaussian Mixture Approach,” 2026 International Biometric Conference (IBC), Seoul, Korea.
'Assessing the Impact of Ignoring Time-Dependent Covariates on Immortal Time Bias in Parametric Accelerated Failure Time Models ', 2025 International Association for Statistical Computing – Asian Regional Section Conference (IASC-ARS), Ho Chi Minh City, Vietnam
'Survival Analysis in Epidemiology: Flexible Modeling with Time-Dependent Covariates', 2025 Intensive Lecture on Medical Mathematics, National Institute for Mathematical Sciences (NIMS), Korea
'Healthcare Big Data Analysis of Proton Pump Inhibitor and Cardiovascular Risk Using the Self-Controlled Case Series Method', 2025 Spring Conference, Korean Data and Information Science Society (KDISS), Korea
'Fitting an Accelerated Failure Time Model with Time-Dependent Covariates via Nonparametric Gaussian Scale Mixtures', 2023 Joint Statistical Meetings (JSM), Toronto, Canada
'Study on Renal Function Decline According to Renal Hyperfiltration Using Big Data on National Health Checkup', 2016 Annual Conference, Korean Society of Medical Informatics (KOSMI), Korea
'Sparse Factor Analysis via Post Processing', 2015 Fall Conference, Korean Statistical Society (KSS), Korea
Academic Service
Academic Service
Peer Review and Editorial Activities
Ad hoc Reviewer (Statistical Methodology and Medical Research)
- Statistical in Medicine
- Journal of the Korean Statistical Society
- Scientific Reports
- BMC Public Health
- International Journal of Cardiology
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