O'Reilly logo

Instant Heat Maps in R How-to by Sebastian Raschka

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Drawing choropleth maps and contour plots (Intermediate)

We have constructed many heat maps so far, including popular applications like gene expression and stock analyses. There are many more fields and disciplines where heat maps are an invaluable tool for intuitive and data analyses and representations. In this recipe, we will learn how to construct the closely related choropleth maps and contour plots, which are very useful to visualize geographic data.

Although choropleth maps get a huge boost of popularity during the election years for sure, there are many more widely used applications, such as population census, disease factors by regions, or income comparisons. Basically, choropleth maps are the representation of choice whenever you want ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required