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Achievement: Pull Sharkx2Achievement: Quickdraw

Achievements

Achievement: Pull Sharkx2Achievement: Quickdraw

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@DA15-Lab @codeit-team7

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lucyjeehyeon/README.md
Hi, I'm Jeehyeon — Data Analysis: From Questions to Decisions

Aspiring Data Analyst · B.S. in Data Science, Seoul Women's University

I analyze user behavior and public data with SQL and Python.
My projects connect conversion analysis, product improvement, and machine learning research.

Explore my full portfolio

Featured Projects

  • Viral to Value — Social App Analysis & Redesign
    2.12% of question-completion visits included a same-visit next-question start, informing a service redesign and prototype.
    Repository · Live demo

  • Shared Office — Free-Trial Conversion Analysis
    Among single-branch users, repeat-date visitors had an 8.38 pp higher observed payment rate than one-day visitors.
    Repository

  • Pothole Risk Factor Analysis — Conference Paper
    Tree-based modeling of pothole-related factors; published in the 2025 KICS Winter Conference proceedings.
    Repository · Paper

🛠 Tech Stack

Programming Python SQL R Java
Analysis & Statistics pandas NumPy statsmodels Excel
Machine Learning scikit-learn XGBoost LightGBM CatBoost
Visualization Tableau Matplotlib Seaborn Orange3 Plotly
Environment Google Colab Jupyter VS Code
Collaboration GitHub Notion Slack Discord

Contact

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  1. portfolio portfolio Public

    Jeehyeon's Portfolio

  2. codeit-team7/team7 codeit-team7/team7 Public

    익명 SNS 질문 완주 안전 친구 네트워크 분석

    Jupyter Notebook

  3. shared-office-trial-conversion-analysis shared-office-trial-conversion-analysis Public

    공유오피스 무료체험 고객 행동·결제 전환·지점별 병목 분석 프로젝트 | Coworking free-trial behavior, conversion and branch bottleneck analysis project

    Jupyter Notebook

  4. pothole-risk-factor-analysis pothole-risk-factor-analysis Public

    트리 기반 머신러닝 포트홀 발생 요인 분석 프로젝트 | Tree-based machine learning pothole risk-factor analysis project

    Jupyter Notebook

  5. subscription-conversion-retention-analysis subscription-conversion-retention-analysis Public

    구독형 교육 서비스 초기 학습 행동·결제 전환·리텐션 분석 프로젝트 | Subscription-based education service learning behavior, conversion and retention analysis project

    Jupyter Notebook

  6. kida-android-challenge-app kida-android-challenge-app Public

    Forked from NKyeong/GURU2_Android_KidA

    KidA 챌린지·할 일 관리 Android 앱 개발 프로젝트 | KidA Android challenge and to-do app development project

    Kotlin