More on Making Heat Maps in R
You saw how to make basic heat maps a while back, but you might want more flexibility for a specific data set. Once you understand the components of a heat map, the rest is straightforward.
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How to Make a Contour Map
Filled contour plots are useful for looking at density across two dimensions and are often used to visualize geographic data. It’s straightforward to make them in R — once you get your data in the right format, that is.
How to Make a State Map Grid with Small Multiples in R
Combining small multiples with the grid layout can make for an intuitive geographic reference.