valat: Expected values of a contingency table under the null hypothesis
Description
Computes the expected values a contingency table under the null hypothesis (two independent qualitative variables)
Usage
valat(matr)
Arguments
matr
a matrix (contingency table) of data counts
Value
A matrix with the expected values.
Details
Computes the expected values a contingency table under the null hypothesis (two independent qualitative variables. Warnings are fiven if the Cochran's rules if violated.
References
Siegel & Castellan 1988. Non parametric statistics for the behavioural sciences. Mc Graw Hill Int. Edt.