Create a very specific Google Analytics custom report for ecommerce. Unfortunately, the Google Analytics interface couldn’t handle our request.
Because of that lack of success, I had to go back to the drawing board. There was promise in the Google Analytics API explorer that I might be able to create this particular report using the GA API. But I wasn’t going to build the report if you weren’t interested in the subject m….
Source: How to Create Custom Reports Using the Google Analytics API – Jeffalytics