Cardinality Difference
Cardinality Difference provides the list and count of products that have been added to a specific cluster you chose, or have been removed from a particular cluster because of the change in their behavior. Simply, it shows the difference of product count in a present product cluster compared to the same cluster in the past.
Scenario: The Top Products of the present day are 450 of a store, which used to be 600 before 6 months. The difference of 150 products should be reduced with effective personalized campaigns and offers to increase the cardinality of Top Products of the store.