Similarity Matrix of BMI

http://www.lonestarbands.com/bmi.asp

Similarity Matrices are visual representations of two variables being compared over a set of indexed values. An index must be created so the two sets of variables can be compared on a common scale. This Similarity Matrix compares the Body Mass Index between height and weight. A series of four colored bands show the ranges of BMI category. For instance, 6'1" person weighing 165 would fall into the Normal Weight category.