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ibawds (version 1.1.0)

wine_quality: Wine Quality

Description

Physicochemical data and quality ratings for red and white Portuguese Vinho Verde wines.

Usage

wine_quality

Arguments

Format

a tibble with 6497 rows and 13 variables:

colour

colour of the wine; "red" (1'599) or "white" (4'898)

fixed_acidity

tartaric acid per volume in \(g/dm^3\)

volatile_acidity

acetic acid per volume in \(g/dm^3\)

citric_acid

citric acid per volume in \(g/dm^3\)

residual_sugar

residual sugar per volume in \(g/dm^3\)

chlorides

sodium chloride per volume in \(g/dm^3\)

free_sulfur_dioxide

free sulphur dioxide per volume in \(mg/dm^3\)

total_sulfur_dioxide

total sulphur dioxide per volume in \(mg/dm^3\)

density

density in \(g/dm^3\)

pH

pH value

sulphates

potassium sulphate per volume in \(g/dm^3\)

alcohol

alcohol content per volume in %

quality

quality score between 0 (worst) and 10 (best) determined by sensory analysis.