The dataset includes 178 Italian wines characterized by 13 constituents (quantitative variables).
The dataset contains an additional variable, Class, distinguishing the wines in 3 groups according to the cultivar. The quantitative variables are Class, Alcohol, Malic acid, Ash, Alcalinity of ash, Magnesium, Total phenols, Flavanoids, Nonflavanoid phenols, Proanthocyanins,
Color intensity, Hue, OD280/OD315 of diluted wines and Proline.