ggbiplot (version 0.55)

wine: Chemical composition of three cultivars of wine

Description

Chemical constituents of wines from three different cultivars grown in the same region in Italy. The cultivars, 'barolo', 'barbera', and 'grignolino', are indicated in wine.class.

Usage

data(wine)

Format

The format is: chr "wine"

Examples

# NOT RUN {
data(wine)
wine.pca <- prcomp(wine, scale. = TRUE)
print(ggscreeplot(wine.pca))                                               
print(ggbiplot(wine.pca, obs.scale = 1, var.scale = 1, groups = wine.class, ellipse = TRUE, circle = TRUE))
# }