recommender-systems
Installation
SKILL.md
Recommender Systems
Personalized recommendation engine builder. Six algorithm families + hybrid blending + evaluation suite. Always outputs three layers: technical model → evaluation metrics → marketer-ready insights + NBA.
How Recommendations Work — Plain Language
A recommender system answers one question: "What should this specific customer see next?"
Three approaches, in order of sophistication:
CONTENT-BASED: "You liked X → show things similar to X"
Uses: item descriptions, categories, attributes
Good for: new items, cold-start users