What’s wrong with Iron Viz, and how to fix it

By |2020-02-15T21:14:13+00:00March 14th, 2019|Business Visualizations, General Discussions|

March 14, 2019 Overview Since 2011 a highlight of Tableau’s annual conference is “Iron Viz,” a data visualization competition loosely based on “Iron Chef.” The premise of the Tableau contest is that three contestants who have won feeder competitions have 20 minutes to build a fully functional, interactive dashboard from scratch, with each contestant [...]

With Great Power Comes Great Responsibility (or, Think Before you use a Donut Chart)

By |2015-01-20T12:45:15+00:00January 20th, 2015|Business Visualizations, General Discussions, Makeovers|

 “With great power comes great responsibility” -- Voltaire -- Benjamin Parker (Uncle Ben from Spiderman) Overview Recently both Ryan Sleeper and Andy Kriebel blogged about donut charts in Tableau. Figure 1 -- Donut chart courtesy of Andy Kriebel While both of them cautioned about where, when, and how best to use them, I [...]