Eui Jun Choi (Johnny)
My flesh and my heart may fail,
but God is the strength of my heart and my portion forever.
(Psalms 73:26)
Research Interests
Statistical Methodologies / Theories
- Design of Experiments
- Nonparametric Statistics
- Generalized Linear Mixed Model
- Survival Analysis
- Longitudinal Data Analysis
- Machine Learning
Application
- Biostatistics in Clinical Trials for New Drug Development
- Pointwise Linear Regression Analysis for Detection of Visual Field Progression
- Survival Analysis of Qualified Success in Glaucoma Surgery
Education
- Yonsei University
- Bachelor’s degree in Applied Statistics (Class Rank: 7/54, 3.98/4.5) / 2014 ~ 2020
- Honors: High Honors in Spring 2019, Honors in Fall 2019
- Band Activities:
- Morning Scent(Pop Music Band) 25th (Spring 2014 ~ Spring 2015)
- So What(Jazz Band) 19th (Fall 2017)
- Bachelor’s degree in Applied Statistics (Class Rank: 7/54, 3.98/4.5) / 2014 ~ 2020
- The Hong Kong Polytechnic University (Exchange Student)
- Bachelor’s degree in Applied Mathematics (Fall 2018)
- As an exchange student, I took 4 courses of Applied Mathematics.
- Probability and Distributions for Risk Management
- Statistical Inference
- Regression Analysis
- Stochastic Process
- As an exchange student, I took 4 courses of Applied Mathematics.
- Bachelor’s degree in Applied Mathematics (Fall 2018)
- Yonsei University Graduate School
- Master’s degree in Statistics and Data Science (Spring 2020 ~ Present)
- Society Activity: Data Science Lab Yonsei 3rd (2020)
- TA for 「Introduction to Statistics」 (Summer/Fall 2020, Winter/Spring 2021)
- Graduate Student Representative of Department (Fall 2020)
- TA for 「Mathematical Statistics II」 (Fall 2020)
- TA for 「Theoretical Statistics I」 (Spring 2021)
- Statistical Consulting Assistant in the Institute of Data Science (Fall/Winter 2021)
- Master’s degree in Statistics and Data Science (Spring 2020 ~ Present)
Papers
- Alternative format thesis:
- Review Paper of Graphical Approaches for Multiple Testing and ‘gMCP-package’
- In progress:
Job Experiences
Samsung Medical Center, Seoul
Ophthalmology Glaucoma Lab (Pf. JC Han) STAT&DS Researcher (Jul. 2020 ~ Present)
Participated in clinical data management and statistical analysis.
- Association of EOBT Location with VF Progression Pattern in OAG
- Survival Analysis of Qualified Success in Glaucoma Surgery
- Bland-Altman Analysis of agreement between two different IOP measures
- Longitudinal Data Analysis of 24H IOP, BP data in Severe Glaucoma
National Cancer Center, Goyang-si
PM & Cancer Research Team (Pf. SY Kim) Statistical Researcher (Mar. 2021 ~ Present)
Participated in research to investigate whether the association between long-term exposure to PM with a diameter of 10 microns and less (PM10) and nitrogen dioxide (NO2) and lung cancer incidence depends on the number of study subjects (or lung cancer cases) and spatial unit of air pollution exposure or not.
Projects and Presentations
Department Official Website Renewal Project (Jul. 2020)
Graduate Assistant
Participated in design reorganization.
College of Commerce and Economics Newsletter [Vol.19] (Dec. 2020)
Graduate Assistant
Participated in Photoshop works for newsletter.
Department BK21 Official Website Building Project (Spring 2021)
Graduate Assistant
Participated in overall project management.
BK21 Academic Lunch Seminar (Mar. 2021)
- 의학통계연구: 반복측정자료를 이용한 녹내장 환자 시야 손상 패턴 예측
Skills
- Advanced: R, Python Programming
- SAS Programming
- Latex via Lyx
Contact Information
- euijun.choi@yonsei.ac.kr