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casruger/README.md

Hi there, I'm Cas Ruger! 👋

Data Scientist at Coolblue | The Netherlands 🇳🇱

I specialize in Forecasting, Prediction Modelling, and Reinforcement Learning.
I love turning complex data into actionable insights—whether that's optimizing retail forecasts or training AI agents to beat me at board games.


🚀 Featured Projects

Machi Koro AI Agent

🤖 Machi Koro Reinforcement Learning Agent

An AI agent trained to master the city-building card game Machi Koro.

  • Tech: Python, Stable-Baselines3, PPO Algorithm, Self-Play.
  • Highlights: Utilizes a custom Gymnasium environment where the agent learns to beat random and heuristic-based opponents via self-play curriculum learning.

Marketing Analytics Thesis

⚽ Master Thesis: Sports Analytics & Home Advantage

Winning more without improving skills: The impact of familiarity during Covid-19.

  • Tech: Python, Web Scraping, Statistical Modelling.
  • Highlights: Analyzed 1,785 matches across 6 European leagues to determine if "Home Advantage" still exists without fans. Discovered significant correlations between field surface familiarity (artificial vs. grass) and winning probabilities.

Data Science Thesis

🧠 Master Thesis: Coach Interventions in Soccer

Never change a winning team? Assessing coach impact using ML.

  • Tech: Random Forest, MLP (Multi-Layer Perceptron), Linear Regression.
  • Highlights: Modeled minute-by-minute match data from the "Big Four" leagues (18/19 - 21/22). Found that increasing substitutions correlates with a decrease in final goals, and that MLP models outperformed traditional regression by 1.42%.

Citation Prediction

📚 Academic Citation Predictor

Predicting the future impact of scientific papers.

  • Tech: NLP (TF-IDF), Random Forest Regressor, LazyPredict.
  • Highlights: A machine learning pipeline that predicts the citation count of a paper based on its abstract, title, and metadata. Includes custom feature engineering for text analysis and log-transformation for outlier handling.

Pinned Loading

  1. Data-Science-and-Sociaty-Thesis Data-Science-and-Sociaty-Thesis Public

    Assessing the impact of coach interventions in player lineups in sports using machine learning models.

    Python

  2. Master-Thesis-Marketing-Analytics Master-Thesis-Marketing-Analytics Public

    Winning more without improving skills. Familiarity factors and their effects on the home advantage in team sports during the Covid-19 pandemic

    Python