Recommenderlab walkthrough 1-1

recommenderlab-1-1.R

# Load required library
library(recommenderlab) # package being evaluated
library(ggplot2) # For plots

# Load the data we are going to work with
data(MovieLense)
MovieLense
# 943 x 1664 rating matrix of class ‘realRatingMatrix’ with 99392 ratings.

# Visualizing a sample of this
image(sample(MovieLense, 500), main = "Raw ratings")