Recommender Systems Complete Course Beginner to Advanced - Basics of Recommender System: Data Partitioning

The video tutorial explains the structure and function of recommendation systems, focusing on data representation through AURM and URM. It details how models are built using user rating matrices and linked to user profiles to generate estimated ratings. An example using movies illustrates data partitioning. Advanced techniques like holding out ratings and testing hidden ratings are discussed. The tutorial concludes with a summary and introduction to key parameters in recommender systems.

What is the significance of the equation that relates the model and user profile?

In what way does the recommendation system utilize the user's previous ratings?

Discuss the implications of Y belonging to X in the context of user profiles and recommendations.