This repo contains implementation of different algorithms in Collborative filtering for recommendation systems.
P2.ipynb is the implementation of the item-based top-N algorithm from Karypis, George. “Evaluation of Item-Based Top-N Recommendation Algorithms.” 2000, doi:10.21236/ada439546.
imp.R is the implementation of Item-Based Collaborative Filtering Recommendation Algorithms from Sarwar, Badrul, et al. “Item-Based Collaborative Filtering Recommendation Algorithms.” Proceedings of the Tenth International Conference on World Wide Web - WWW 01, 2001, doi:10.1145/371920.372071.
Link to Data: https://grouplens.org/datasets/movielens/100k/