Standard benchmarking dataset for recommendation systems.
100k movie ratings on 1682 movies by 943 users. Each user
has rated at least 20 movies.
An object of class dgCMatrix with 943 rows and 1682 columns.
Details
Stored as a Matrix::dgCMatrix object, which is a sparse
matrix. Each row corresponds to a user and each column to
a movie.
References
F. Maxwell Harper and Joseph A. Konstan. 2015. The MovieLens Datasets:
History and Context. ACM Transactions on Interactive Intelligent
Systems (TiiS) 5, 4, Article 19 (December 2015), 19 pages.
DOI=http://dx.doi.org/10.1145/2827872
https://grouplens.org/datasets/movielens/100k/