Artificial Intelligence
Diving Deep into Collaborative Filtering Techniques with ALS
This course explores collaborative filtering techniques, which are central to modern recommendation systems. It covers both user-based and item-based collaborative filtering methods, as well as matrix factorization and the powerful Alternating Least Squares algorithm.
C++
5 lessons
19 practices
1 hour
Machine Learning Model Development
Course details
Introduction to Recommendation Systems
Loading a Rating Matrix from a Text File
Adjusting the Missing Data Ratio and Printing Missing Indices
Marking Ten Percent of Ratings as Missing for Testing
Calculating Proportions of Missing and Non-Missing Data in a Recommendation Dataset
Join the 1M+ learners on CodeSignal
Be a part of our community of 1M+ users who develop and demonstrate their skills on CodeSignal
