Regression

Datasets used as gold standard

Dataset	Semantic of classes	Size	Source
Cities	Living style	212	Mercer
AAUP	Salary of professors	960	JSE
Forbes	Agency income	1,585	Forbes
Albums	Album popularity	1,600	Metacritic
Movies	Movie popularity	2,000	Metacritic

Model and its configuration

Model	Configuration
Linear Regression	-
M5Rules	-
k-NN	k=3

Missing entities are simply ignored.

The results are calculated using stratified 10-fold cross-validation.

Output of the evaluation

Metric	Range	Optimum
Root Mean Squared Error (RMSE)	[0,1]	Lowest