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jiiwon129/README.md

Jiwon Kim

Statistics @ Ewha Womans University

Projects

Analyzed equipment-level power patterns and forecast electricity demand using K-means clustering and an ensemble of cluster-level and process-wide forecasts.

Combined travel survey and transportation data to build an infrastructure index, predict solo-traveler spending, and explore improvement scenarios for tourism policy.

Predicted daily stock movements in five categories using pre-market information and historical return distributions, with checks on input timing and consistency after code changes.

Implemented high-dimensional volatility matrix estimation, decomposition, and forecasting in Python using one-minute data for 200 S&P 500 stocks during a POSTECH FBDA Lab internship.

Predicted pitch control success probabilities using pre-pitch game information and historical records. Team rank: 94/1,087 (top 8.6%).

Project documentation is primarily in Korean.

Skills

Python · R · SQL · Power BI

Other Repositories

Interests

Data Analytics · Statistical Modeling · Machine Learning · Business / Consulting Analytics

Pinned Loading

  1. Stock-Direction-Prediction Stock-Direction-Prediction Public

    개장 전 공개 정보와 과거 수익률 분포를 활용한 5등급 주가 방향 예측 프로젝트

    Python

  2. LG-Aimers-Pitch-Control LG-Aimers-Pitch-Control Public

    투구 직전 경기 정보와 과거 기록을 활용한 제구 성공 확률 예측 프로젝트

    Python

  3. High-Frequency-Volatility-Modeling High-Frequency-Volatility-Modeling Public

    고빈도 금융 데이터를 활용한 변동성 행렬 추정·분해·예측 구현 프로젝트

    Python