requirements.txt

# Core data science libraries
pandas>=1.3.0
numpy>=1.21.0
matplotlib>=3.4.0
seaborn>=0.11.0
scikit-learn>=1.0.0

# Web framework and API
Flask>=2.0.0
flask-cors>=3.0.0

# Machine learning model persistence
joblib>=1.0.0

# Development and notebook
jupyter>=1.0.0

# Optional: for better performance
gunicorn>=20.0.0