Daniel Oehm shares two techniques for using custom fonts in your ggplot2 visuals:
ggplot – You can spot one from a mile away, which is great! And when you do it’s a silent fist bump. But sometimes you want more than the standard theme.Fonts can breathe new life into your plots, helping to match the theme of your presentation, poster or report. This is always a second thought for me and
need to work out how to do it again, hence the post.
There are two main packages for managing fonts– extrafont, and showtext.
Read on to see how to use each of these packages. H/T R-bloggers