If you’re new to Qlik Sense, start with this Discussion Board and get up-to-speed quickly.
I want to calculate the last 12 months customers by using this formula, but it does not work properly, the result is not correct. I do not know how to fix it, can anyone please help me? Is this caused by my [Date] column?
The set analysis seems correct.
Can you please post some example data and the expected result?
I think something is wrong with my Date, after I adjusted the formula like this, it worked