Chemical and tasting data from wines in Northern Portugal.
Format
A data frame containing 6497 rows and 13 columns.
- fixed.acidity
fixed acidity (nummeric)
- volatile.acidity
volatile acidity (nummeric)
- citric.acid
citric acid (nummeric)
- residual.sugar
residual sugar (nummeric)
- chlorides
chlorides (nummeric)
- free.sulfur.dioxide
free sulfur dioxide (nummeric)
- total.sulfur.dioxide
total sulfur dioxide (nummeric)
- density
density (nummeric)
- pH
PH Value (nummeric)
- sulphates
Sulphates (nummeric)
- alcohol
Alcohol (nummeric)
- quality
Quality (nummeric, score between 0 and 10)
- type
Criterion: Is the wine
redorwhite? (24.61% vs.75.39%)
References
P. Cortez, A. Cerdeira, F. Almeida, T. Matos and J. Reis (2009). Modeling wine preferences by data mining from physicochemical properties. Decision Support Systems, 47 (4), 547–553. doi:10.1016/j.dss.2009.05.016
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