A display that highlights departures from independence in a two-variable cross-classification. The display, which is asymmetric, emphasizes the variations in the conditional probability of the categories of one variable, given the category of the second variable. For an alternative display that treats the variables in a symmetrical fashion, see cobweb diagram.
Mosaic display. The areas of the tiles are proportional to the cell frequencies. Dark shading indicates a large positive residual, pale shading a large negative residual.
Subjects: Probability and Statistics.