The ade4 Package - NexTag Supports Open Source Initiatives

104 fruits
Format
Details
fruits is a list of 3 components:
typ is a vector returning the type of the 28 batches of fruits (peaches or nectarines).
jug is a data frame of 28 rows and 16 columns (judges).
var is a data frame of 28 rows and 16 measures (average of 2 judgements).
fruits$var is a data frame of 15 variables:
taches : quantity of cork blemishes (0=absent - maximum 5)
stries : quantity of stria (1/none - maximum 4)
abmucr : abundance of mucron (1/absent - 4)
irform : shape irregularity (0/none - 3)
allong : length of the fruit (1/round fruit - 4)
suroug : percentage of the red surface (minimum 40% - maximum 90%)
homlot : homogeneity of the intra-batch coloring (1/strong - 4)
homfru : homogeneity of the intra-fruit coloring (1/strong - 4)
pubesc : pubescence (0/none - 4)
verrou : intensity of green in red area (1/none - 4)
foncee : intensity of dark area (0/pink - 4)
comucr : intensity of the mucron color (1=no contrast - 4/dark)
impres : kind of impression (1/watched - 4/pointillé)
coldom : intensity of the predominating color (0/clear - 4)
calibr : grade (1/200g)
Source
Kervella, J. (1991) Analyse de l’attrait d’un produit : exemple d’une comparaison de lots de pêches.
Agro-Industrie et méthodes statistiques. Compte-rendu des secondes journées européennes. Nantes
13-14 juin 1991. Association pour la Statistique et ses Utilisations, Paris, 313–325.
Examples
data(fruits)
par(mfrow = c(2,2))
pcajug