cramer {RVAideMemoire}

Cramer's association coefficient

Description

Computes the Cramer's association coefficient between 2 nominal variables.

Usage

cramer(x, y)

Arguments

x

a contingency table ('matrix' or 'table' object). x and y can also both be factors.

y

ignored if x is a contingency table. If not, y should be a vector of the same length.

Author(s)

Maxime HERVE <[e-mail]>

Examples

var1 <- sample(LETTERS[1:3],30,replace=TRUE)
var2 <- sample(letters[1:3],30,replace=TRUE)
cramer(var1,var2)
# or cramer(table(var1,var2))