Further resources

If you want to learn more about drawing graphs, check out Healy (2019) and Wilke (2019). Both books are freely available online:

References

Healy, Kieran. 2019. Data visualization: A practical introduction. Princeton, NJ: Princeton University Press.
Wilke, Claus O. 2019. Fundamentals of data visualization: A primer on making informative and compelling figures. Sebastopol, CA: O’Reilly.