winequality.white: White Wine Quality Dataset A dataset containing...

In TFM: Sparse Online Principal Component for Truncated Factor Model

White Wine Quality Dataset A dataset containing physicochemical properties and sensory quality ratings of Portuguese "Vinho Verde" white wine samples.

Description

White Wine Quality Dataset

A dataset containing physicochemical properties and sensory quality ratings of Portuguese "Vinho Verde" white wine samples.

Usage

winequality.white

Format

An object of class data.frame with 4898 rows and 12 columns.

Examples

 
## Not run:   
data(winequality.white)  
summary(winequality.white)  
hist(winequality.white$quality,  
     main = "White Wine Quality Distribution",  
     xlab = "Quality Rating",  
     col = "lightblue")  
boxplot(fixed.acidity ~ quality,  
        data = winequality.white,  
        xlab = "Quality Rating",  
        ylab = "Fixed Acidity (g/dm³)",  
        col = "lightgreen")  
if (requireNamespace("corrplot", quietly = TRUE)) {  
  key_features <- winequality.white[, c("fixed.acidity", "volatile.acidity",  
                                        "citric.acid", "alcohol", "quality")]  
  corr_matrix <- cor(key_features, use = "complete.obs")  
  corrplot::corrplot(corr_matrix, method = "color", type = "upper",  
                     order = "hclust", tl.col = "black")  
}  

## End(Not run)  

TFM documentation built on June 9, 2025, 9:08 a.m.