📚 About This Hub & Its Custodian

This site is a living resource, consisting of refined notes and study materials I compiled while earning certifications and building skills in data analysis, Python, SQL, and machine learning.

Created as both a personal reference and a shared learning tool, it’s open to anyone looking to learn—and contributions are always welcome.

  • Cleaning & QA
  • Modeling & evaluation
  • SQL optimization & dashboard design
  • Project delivery & documentation best practices

Maintained by Garrett Schumacher. Have ideas or spot an issue? Open a ticket on GitHub Issues.

🐍 Python Resources

QuickRefs, EDA, cleaning, modeling, and runnable scripts.

🛠️ Tools & Scripts

Starter scripts and boilerplate for EDA, cleaning, modeling, and utilities.

🗄️ SQL & BI Tools

Guidebooks, BigQuery patterns, and Looker Studio best practices.

📦 Production & Projects

Project scaffolds, delivery checklists, and pipelines.