R/data.R

In rsparse: Statistical Learning on Sparse Matrices

#' MovieLens 100K Dataset
#'
#' This data set consists of:
#' \enumerate{
#'   \item 100,000 ratings (1-5) from 943 users on 1682 movies.
#'   \item Each user has rated at least 20 movies.
#' }
#' MovieLens data sets were collected by the GroupLens Research Project at the University of Minnesota.
#'
#' @name movielens100k
#' @usage data("movielens100k")
#' @format A sparse column-compressed matrix (\code{Matrix::dgCMatrix}) with 943 rows and 1682 columns.
#' \enumerate{
#'   \item rows are users
#'   \item columns are movies
#'   \item values are ratings
#' }
#' @source \url{https://en.wikipedia.org/wiki/MovieLens#Datasets}
#' @keywords datasets
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