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PISA analysis: Pulse of Learning – PISA Explorer

• Data: PISA 2022 Germany, 6,116 students, 2,509 variables, 157 scales
• Machine learning (XGBoost) with SHAP analysis to identify key drivers
• Scale explorer with original items, deep-dive analyses, group comparisons and a storytelling dashboard
• These findings became the foundation for every app that followed.

• Python
• Streamlit
• XGBoost
• SHAP
• scikit-learn
• Plotly
• SQLite

Screenshots

// Walkthrough