How to show nothing when “All” is selected in Tableau

Tableau’s filter capabilities are an essential part of what makes Tableau special. But sometimes we don’t want anything to show when we remove a filter or show all dimensions. So how do you show nothing with “all” is selected in Tableau? This challenge from Emma Whyte back in week 2 of 2017 does just that.

Check out the video for my approach. Scroll down to see my calculations that used for the challenge.