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.