Let’s say I have a list of user_ids = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
group_a = [0, 2, 7, 8, 4] group_b = [1, 3, 9, 5, 6] Is it possible to
compare these two groups for a certain measure, let’s say earnings,
without creating a new dimension. I need to...