Creating graphs with maps
In this recipe, you will learn how to plot data on maps.
In order to plot maps in R, we need to install the maps library. Here's how to do it:
When you run the preceding command, you will most likely be prompted by R to choose from a list of locations where you can download the library. For example, if you are based in the UK, you can choose either the UK (Bristol) or UK (London) options.
Once the library is installed, we must load it using the
Note that we only need to install any package using
install.packages() once but need to load it using
require() every time we restart a new session in R.
How to do it...
We can make a simple world map ...