Here are Plugins & Snippets collection of downloads related to Customer Lifetime Value. Please have a look if there's any download that could be of help to improve and enhance your Easy Digital Downloads WordPress webstores.
Customer Lifetime Value (Revenues) (CLV): This is an estimate based on sales data obtained from our digital product marketplace how much revenues can be obtained from a customer during his lifetime. It should include also repeat purchases.

Source: How to Build a Digital Product Marketplace in WordPress - Plugins & Snippets