A diagram that illustrates the associations between the categories of two or more categorical variables by means of lines whose widths indicate the strengths of the association and whose colour indicates whether the association is positive or negative.
Cobweb diagram. The diagram shows the relation between types of insanity and the prescribed treatment. The thickness of the lines indicates the strength of the association between the linked categories. Black lines indicate positive association and grey lines indicate negative association. The diagram demonstrates that senile patients are particularly likely to be given custodial therapy and particularly unlikely to be given organic therapy.
Subjects: Probability and Statistics.