test for Independence between (nominal or ordinal)
variables containing frequencies
test whether the occurrence of one variable (e.g. eye color
{blue, green}) is independent of another (e.g., sex {male, female})
using a Contingency table
test for Goodness of fit
identify those cells that are the main contributors for any
overall effect using Cell-wise examination
How is this done
calculate expected frequencies under the null hypothesis
(Note: use Goodman's Test for quasi-independence if the
diagonal or other cells are structurally zero)
calculate overall significance of a contingency table with