wine_quality {ibawds} | R Documentation |
Physicochemical data and quality ratings for red and white Portuguese Vinho Verde wines.
wine_quality
a tibble with 6497 rows and 13 variables:
colour of the wine; "red" (1'599) or "white" (4'898)
tartaric acid per volume in g/dm^3
acetic acid per volume in g/dm^3
citric acid per volume in g/dm^3
residual sugar per volume in g/dm^3
sodium chloride per volume in g/dm^3
free sulphur dioxide per volume in mg/dm^3
total sulphur dioxide per volume in mg/dm^3
density in g/dm^3
pH value
potassium sulphate per volume in g/dm^3
alcohol content per volume in %
quality score between 0 (worst) and 10 (best) determined by sensory analysis.
The data is available on the UC Irvine Machine Learning Repository.
P. Cortez, A. Cerdeira, F. Almeida, T. Matos and J. Reis, Modeling wine preferences by data mining from physicochemical properties, Decision Support Systems 47(4) (2009), 547-553.