Bar charts are the number one chart used for analysis. In the next couple of blogs I want to review how to make different kinds of charts inside bars! A tree map is a chart that is used for visualizing hierarchical data and part to whole relationships. You can easily embed one inside a Bar chart in Tableau! I created one here in my first ever #GamesNightViz dashboard here on Lego Video Games! #GamesNightViz is a project started by Iron Viz winner Will Sutton . Tableau Vision