Including and Excluding values in Set Analysis Dimension
Been following a few examples but I can't seem to get the correct result. I have a table with all the products a client has purchased. I am looking to do set analysis on a chart dimension to find which customers have purchased product X but not product Y but I am finding when doing a concat on ProductID as an expression in the table that customers with productId 1 and 3 are appearing in the list.
I have tried many different types of set analysis expression but below seemed to be the solutions that should of worked: