This dataset, winequality_df, is a data frame containing physicochemical measurements and quality ratings for 4,898 white wine samples from Portugal. It includes 11 physicochemical characteristics of the wines and an overall wine quality score.
Usage
data(winequality_df)Format
A data frame with 4,898 observations and 12 variables:
- fixed.acidity
Numeric vector representing fixed acidity
- volatile.acidity
Numeric vector representing volatile acidity
- citric.acid
Numeric vector representing citric acid content
- residual.sugar
Numeric vector representing residual sugar content
- chlorides
Numeric vector representing chloride content
- free.sulfur.dioxide
Numeric vector representing free sulfur dioxide content
- total.sulfur.dioxide
Numeric vector representing total sulfur dioxide content
- density
Numeric vector representing wine density
- pH
Numeric vector representing pH
- sulphates
Numeric vector representing sulphate content
- alcohol
Numeric vector representing alcohol content
- quality
Integer vector representing wine quality ratings