The Manage Demand Analysis Process page enables the management of data in and out of the history analysis process.

Select Snapshot Selected History to start the selected history process. It must only be run after the process in Demand Planning has been run.

Variance to Last Snapshot - Customer and Product by Time and Variance to Last Snapshot - Customer and Product cards display the current count of customers and products by time and customers and products respectively. 

To import the latest historical demand trends for a product, select Import Data History Analysis into Demand Planning.