Hi @lbl,
What is it returning, and how is it differing? Here’s an Arena view of my testing sample where I was able to get them to match. Other than the different fields, let me know what you are doing differently that may be stopping you from replicating what I have:
Top N Products - different results in Pivot Table
Alternatively, I can’t really help out much further if you are unable to share results being received as I do not have the same dataset as you to test out. If you can create a copy of your analysis with anonymized data and upload to the Arena view, I may be able to assist further.