Ideally, it would look like this (the solution). I've played around with that code, and can't seem to adapt it.
I'm also just terrible with ggplot though, so I might be missing something simple. 
Ideally, it would look like this (the solution). I've played around with that code, and can't seem to adapt it.
I'm also just terrible with ggplot though, so I might be missing something simple.