r - How to plot just the legends in ggplot2? - Stack Overflow
![r - How to plot just the legends in ggplot2? - Stack Overflow](https://i.stack.imgur.com/Z0x0N.png)
I'm currently working with igraph and have colour labelled my vertices. I would like to add a legend Indicating what each colour represents. What I can think of at this point is to use ggplot2 to
![](https://i.stack.imgur.com/apkhj.png)
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