Calculating Running Total with Quick Measure in DAX

It's been a while since quick measures were introduced and it might be tricky to decide whether to use them or not. What I have noticed recently is calculating running total with quick measure might not provide the best user experience because it simply doesn't filter explicitly, despite ALLSELECTED function is part of the measure.

This is the quick measure to calculate the running total and it can be seen that ALLSELECTED function is part of the equation. As a result, I got the impression that when I explicitly filter, the measure will retain all the explicit filters but that’s not what happened. This is how it looks like before I use any explicit filter.

Everything looks perfect right. What until I filter 2017 and 2018.

As you see two numbers don't match because quick measure adds up sales of 2016 despite I didn't select 2016 on year slicer and despite quick measure uses ALLSELECTED function. This is the result we were supposed to get if ALL function was used not ALLSELECTED. If you're not sure about when to use which I recommend for you to watch DAX Fridays! #7: ALL, ALLEXCEPT, and DAX Fridays! #22: ALLSELECTED

What are we supposed to then? Quit PowerBI and start organic farming? Fortunately, we can still write running total measure without using quick measure and get the result that we want. This is the running total measure without using a quick measure.

And it retains a year slicer correctly like it supposed to do and finally, two numbers match.

There are many ways in DAX for calculating the same measure and on this occasion, quick measure doesn't look like the best option. My personal opinion is on the behalf of testing first before using some new function of formula, even if it looks quite simple.

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