Coursera & Udemy Coursera & Udemy 강의 정리 1. Machine Learning by Andrew Ng Recommender System 부분 (week9) https://www.coursera.org/learn/machine-learning/lecture/uG59z/content-based-recommendations 2. Building Recommender Systems with Machine Learning and AI https://www.udemy.com/home/my-courses/learning/ 3. How to Win a Data Science Competition: Learn from Top Kagglers https://www.coursera.org/learn/competitive-data-science?