#WOW2017 | 20 | Comparing Regions
Introduction EDITOR’S NOTE: This challenge was originally published on Emma Whyte’s Tableau blog which no longer exists. This challenge is republished here with the author’s permissions This week’s challenge was given to me by Jeffrey Shaffer (Tableau Zen Master and co-author of the new Big Book of Dashboards). This was Jeffrey’s original challenge to me: I had a …