The correlation coefficient measures how much two variables are 'co-related'. If there is no co-relationship, then the correlation coefficient equals 0. If the two variables are perfectly co-related, then the coefficient equals 1. If one variable is perfectly related to the reverse of the other, then the coefficient equals -1.
Considering this, users can build a simple report using VMall which includes:
NOTE: In this formula, users do not have to perform any sum on the facts.
The screenshot below illustrates the result set of the report:
