It shows the individual values as they compare to the whole. Rectangles are arranged to maintain hierarchy.
Tutorials and Guides
How to Visualize Proportions in R
There are many ways to show parts of a whole. Here are quick one-liners for the more common ones.
How to Make an Interactive Treemap
Treemaps are useful to view and explore hierarchical data. Interaction can help you look at the data in greater detail.
Comparing the potential cost of Medicare for everyone
For The Upshot, Josh Katz, Kevin Quealy, and Margot Sanger-Katz, consulted economists to…
How We Spend Our Money, a Breakdown
We know spending changes when you have more money. Here's by how much.
Jobs Charted by State and Salary
Jobs and pay can vary a lot depending on where you live, based on 2013 data from the Bureau of Labor Statistics. Here's an interactive to look.
Ben Shneiderman invented the treemap in the 1990s to visualize the hierarchical contents…
Exploratory treemap for Obama’s 2012 budget proposal
It’s that time of year again. Obama recently released his 2012 budget proposal…