John Medina

Data Scientist | AI for Good | Healthcare Analytics

I'm a former math and computer science educator now building models to make public health smarter, faster, and more human. Welcome to my portfolio.

About Me

With over 15 years of teaching experience in mathematics and computer science, I've transitioned into data science to apply my problem-solving mindset to healthcare and AI for good. I specialize in predictive modeling, exploratory data analysis, and building interpretable tools that empower decision-making.

Projects

AI Stroke Risk Tool

Built an interpretable AI tool using an ensemble of ML models to predict stroke risk from clinical features. Includes Streamlit interface and SHAP explanations.

Tools: Python, SHAP, XGBoost, Streamlit

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Cyclistic Rider Analysis

Analyzed ridership patterns to identify trends between members and casual users for a fictional bike-share company. Suggested marketing strategies using EDA.

Tools: R, ggplot2, dplyr, Google Sheets

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Résumé

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Contact

Email: jmedinacs715@gmail.com

LinkedIn: jpmedinacs

GitHub: github.com/jpmedina