Jae Ho Chang

Jae Ho Chang

Ph.D. Student

The Ohio State University

Biography

I earned bachelor’s and master’s degrees in Applied Statistics at Konkuk University under the supervision of professor Kyusang Yu. My ultimate professional goal is to be a scholar developing statistical methodologies for biomedicine.

Interests
  • High-dimensional data analysis
Education
  • Statistics Ph.D. Student, 2021 -- Present

    The Ohio State University

  • MA in Applied Statistics, 2018

    Konkuk University

  • BA in Applied Statistics, 2012

    Konkuk University

Skills

R
Python
Git
Bash
docker
HTML
sass
Markdown

Teaching Experience

 
 
 
 
 
Graduate Teaching Associate
Aug 2021 – Present Columbus, OH, USA
  • Grading - STAT 3201, 3450
  • Recitation - STAT 1350
  • Tutoring
 
 
 
 
 
Part-time Lecturer
Jul 2020 – Oct 2020 Seoul, South Korea
  • Elementary statistics: population, parameters, random variables, discrete and continuous types, expectation, sample distribution, hypothesis testing, simple and multiple linear regressions
  • SPSS tutorials and practices
 
 
 
 
 
Teaching Assistant
Mar 2018 – Dec 2019 Seoul, South Korea

Computer programming:

  • Undergraduate course - Regressions Analysis
  • Graduate course - Theory of Likelihood Functions, Skew Normal and Related Distribution Families, Nonparametric Function Estimation

Quizz marking:

  • Undergraduate Mathematical Statistics

Work Experience

 
 
 
 
 
ML Engineer
Real Data
Sep 2020 – Dec 2020 Seoul, South Korea

Computer vision project:

  • Object detection
  • Image augmentation and denoising
 
 
 
 
 
Freelancer
May 2020 – Oct 2020 Seoul, South Korea

Tutoring:

  • Statistics and theories for graduate students
  • Tutorials for using statistical softwares and programming languages

Statistical Consulting:

  • (2020). Analysis of Performance Factors of KLPGA and LPGA Players, and Prediction of Winners. Journal of the Korean society for Wellness.
  • (2020). The Longitudinal Analysis of the Performance Factors Affecting the Korean Ladies Professional Golfer’s Prize Money: Using Data from 2010 to 2019. Journal of Golf Studies.
  • (2020). A Case Study on Villagers’ Participation and Project Achievement in Rural Development. Journal Of The Korean Society Of Rural Planning.
 
 
 
 
 
Assistant Researcher
SK C&C X Korea University Medical Center
Jun 2018 – Sep 2018 Seoul, South Korea

Contributed to developing antibiotics recommendation system for the antibiotics stewardship:

  • Created predictive models for two major types of multi–drug resistant(MDR) diseases
  • Conducted data manipulation and formed data mart
  • Fitted classification models to predict the risk of each patient’s MDR type
  • Built an API to serve predictive models to the client
 
 
 
 
 
Head research assistant
Mar 2018 – Dec 2019 Seoul, South Korea

Worked as the head research assistant at the Statistical Consulting Office:

  • Communication, management, data analysis, final reporting

Key works:

  • A Meta_Analysis of the Stress Reaction Effect of Aromatherapy (Doctoral thesis in Art & Design at Konkuk University, 2018)
  • A survey on the satisfaction of Korean traditional dessert class (Korea Cultural Heritage Foundation, 2018)
  • Several master’s theses

Accomplish­ments

Honorable mention
Awarded for the presentation of High-dimensional linear discriminant analysis with moderately clipped LASSO
Honorable mention
Awarded for the poster presentation of a paper Ultimate Sharpening of Jensen’s Inequality

Recent Posts

Notes on bash and git
Some notes on using bash and git.

Contact