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))

Worked out examples

> library(ade4)
> ### Name: escopage
> ### Title: K-tables of wine-tasting
> ### Aliases: escopage
> ### Keywords: datasets
> 
> ### ** 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))

> 
> 
> 
>