BASIC_PRED_WITH_TESTING

the control code can be used as a jumping off point for students. Includes testing.

COSINE_WITH_TESTING

Simple cosine similarity between users is calculated. Includes testing.

TIMESTAMP_COSINE

this is an example of how a student could try to modify a collaborative recommender system in order

to solve the issue of variation in user similarity depending on when users rated items. Includes testing.

DATA

https://www.kaggle.com/rounakbanik/the-movies-dataset

ratings.csv and ratings_small.csv