Choonghyun Ryu
Software Engineer at Dplanex
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolChoonghyun Ryu is a seasoned software engineer and data scientist with over a decade of experience building data analytics, BI and DW/DM solutions for enterprises including Hanwha Life and Samsung SDS. He combines hands-on R&D and statistical expertise—authoring six books, supervising a translated work, and creating multiple R packages—with leadership roles in data science and BI teams. As an active open-source maintainer of tools like dlookr and alookr, he focuses on practical data diagnosis and classification workflows that bridge research and production. He has taught R and big data analytics in corporate and academic settings, bringing a rare mix of pedagogy and product-minded engineering. Based in Seoul, he often applies Korean-language tooling (bitNLP, bitSpatial) to local data challenges, highlighting a pragmatic commitment to regional data needs.
10 years of coding experience
3 years of employment as a software developer
통계학, 통계학 at 강원대학교 / Kangwon National University
Github Skills (30)
r-package10
data-science10
sports-data10
eda10
transformation10
rmarkdown8
shiny8
r8
meta-analysis7
interactive7
knitr7
python7
sql6
markdown6
data-storage5
Programming languages (5)
Github contributions (5)
choonghyunryu/alookr
Dec 2019 - Sep 2022
Tools for Binary Classification Modeling
Contributions:26 commits, 1 PR, 31 pushes in 2 years 9 months
choonghyunryu/dlookr
Apr 2018 - Jan 2023
Tools for Data Diagnosis, Exploration, Transformation
Contributions:344 commits, 6 PRs, 378 pushes in 4 years 10 months
transformationdata-scienceedasports-datadiagnosis
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