rrecsys: dataChart – R documentation

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dataChart

Visualization of data characteristics.

Description

This method visualizes data characteristics on a two dimensional graph, where "x" axes shows either items ordered by descending popularity, or users based on the number of ratings they have submitted. Moreover the "y" axes shows the number of ratings.

Usage

dataChart(data, x = "items", y = "num_of_ratings")

Arguments

`data`	the dataset, class `"_ds"`.
`x`	class `"character"`, is the variable that will be shown on the "x" axis. Possible values are: `"items"`, `"users"`.
`y`	class `"character"`, is the variable that will be shown on the "y" axis. Possible values are: `"num_of_ratings"`, `"%_of_ratings"`.

Value

Plot results.

Examples

data(mlLatest100k)

a <- defineData(mlLatest100k)

dataChart(a, x = "items", y = "num_of_ratings")

rrecsys

Environment for Evaluating Recommender Systems

v0.9.7.3.1

GPL-3

Authors

Ludovik Çoba [aut, cre, cph], Markus Zanker [ctb], Panagiotis Symeonidis [ctb]

Initial release

2018-02-10