In this section let's explore the data in more detail. To find the dimensions of the data and the type of data, run the following commands:
5000 users and
dim(Jester5k)  5000 100
The data is of R Matrix:
class(Jester5k@data)  "dgCMatrix" attr(,"package")  "Matrix"
The following code snippet will help us understand the rating values distribution:
Rating distribution is given as:
hist(getRatings(Jester5k), main="Distribution of ratings")
The preceding image shows the frequency of the ratings available from the
Jester5K dataset. We can observe that the negative ratings are more ...