Treemap of Singapore's exports by product category, 2012. The Product Exports Treemaps are one of the most recent applications of these kind of visualizations, developed by the Harvard-MIT Observatory of Economic Complexity. In information visualization and computing, treemapping is a method for displaying hierarchical data using nested figures, usually rectangles. Treemaps display hierarchical (t
![Treemapping - Wikipedia](https://cdn-ak-scissors.b.st-hatena.com/image/square/d562b613038d77ce2aeb503ad43c0fef5146e15f/height=288;version=1;width=512/https%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2Fa%2Fa6%2F2012_Singapore_Products_Export_Treemap.png)