Last data update: 2014.03.03
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R: K-tables of wine-tasting
K-tables of wine-tasting
Description
This data set describes 27 characteristics of 21 wines distributed in four fields :
rest, visual, olfactory and global.
Usage
data(escopage)
Format
escopage is a list of 3 components.
- tab
is a data frame with 21 observations (wines) and 27 variables.
- tab.names
is the vector of the names of sub-tables : "rest" "visual" "olfactory" "global".
- blo
is a vector of the numbers of variables for each sub-table.
Source
Escofier, B. and Pagès, J. (1990)
Analyses factorielles simples et multiples : objectifs, méthodes et interprétation
Dunod, Paris. 1–267.
Escofier, B. and Pagès, J. (1994)
Multiple factor analysis (AFMULT package).
Computational Statistics and Data Analysis, 18, 121–140.
Examples
data(escopage)
w <- data.frame(scale(escopage$tab))
w <- ktab.data.frame(w, escopage$blo)
names(w)[1:4] <- escopage$tab.names
plot(mfa(w, scan = FALSE))
Results
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