ade4 (version 1.7-22)

chatcat: Qualitative Weighted Variables

Description

This data set gives the age, the fecundity and the number of litters for 26 groups of cats.

Usage

data(chatcat)

Format

chatcat is a list of two objects :

tab

is a data frame with 3 factors (age, feco, nport).

eff

is a vector of numbers.

Details

One row of tab corresponds to one group of cats.
The value in eff is the number of cats in this group.

Examples

data(chatcat)
summary(chatcat$tab)
w <- acm.disjonctif(chatcat$tab) #  Disjonctive table
names(w) <- c(paste("A", 1:5, sep = ""), paste("B", 1:5, sep = ""), 
    paste("C", 1:2, sep = ""))
w <- t(w*chatcat$num)
w <- data.frame(w)
w # BURT table