winequality: Wine quality data
In mpae: Metodos Predictivos de Aprendizaje Estadistico (Statistical Learning Predictive Methods)

winequality

R Documentation

Wine quality data

Description

A subset related to the white variant of the Portuguese "Vinho Verde" wine, containing physicochemical information (fixed.acidity, volatile.acidity, citric.acid, residual.sugar, chlorides, free.sulfur.dioxide, total.sulfur.dioxide , density, pH, sulphates and alcohol) and sensory (quality).

Usage

winequality

Format

A data frame with 1,250 rows and 12 columns:

fixed.acidity: fixed acidity
volatile.acidity: volatile acidity
citric.acid: citric acid
residual.sugar: residual sugar
chlorides: chlorides
free.sulfur.dioxide: free sulfur dioxide
total.sulfur.dioxide: total sulfur dioxide
density: density
pH: pH
sulphates: sulphates
alcohol: alcohol
quality: median of at least 3 evaluations of wine quality carried out by experts, who evaluated them between 0 (very bad) and 10 (very excellent)

Details

For more details, consult https://www.vinhoverde.pt/en/ or the reference Cortez et al. (2009).

Source

UCI Machine Learning Repository: https://archive.ics.uci.edu/dataset/186/wine+quality.

References

Cortez, P., Cerdeira, A., Almeida, F., Matos, T., & Reis, J. (2009). Modeling wine preferences by data mining from physicochemical properties. Decision Support Systems, 47(4), 547-553.