Intro Prelim Class/Reg MF Extend Combo Conclude Collaborative Filtering Practical Machine Learning, CS 294-34 Lester Mackey Based on slides by Aleksandr Simma October 18, 2009 Lester Mackey Collaborative Filtering Intro Prelim Class/Reg MF Extend Combo Conclude Outline 1 Problem Formulation Centering Shrinkage 2 Preliminaries Naive Bayes KNN 3 Classification/Regression SVD Factor Analysis 4 Low Di