While cutting / filtering a question by a single-select question is straightforward, doing the same with a check-all-that-apply question has been a source of angst for me since I first started using Tableau ages ago. Fortunately, with the advent of Tableau’s new-ish Relationship feature (where Tableau joins different data sources if and when needed) cutting / filtering by a check-all-that-apply question only stings a little bit. Before we get into the details, I want to issue two caveats.

Read more: Breaking down the results of a question by a check-all-that-apply question - Data Revelations