Cramer’s measures dependence and varies from 0 to 1. The correlation also measures dependence, but varies from . Why doesn’t it make sense for also to take on negative values? The visual test for...

Cramer’s

measures dependence and varies from 0 to 1. The correlation also measures dependence, but varies from
. Why doesn’t it make sense for

also to take on negative values?

The visual test for association can be used to help distinguish whether the pattern in a plot is real or imagined. The original ought to stand out clearly. If you look at four plots, one the original and three with scrambled coordinates, and guess, what is the chance that you’ll guess the original even if there is no pattern?