I was recently asked to convert all the fonts in my ggplot2-generated figures for a paper to Times New Roman. It turns out that this is easy, but it brought up a whole host of questions that I don’t have the full answer to.
If you want to go all out with using custom fonts, I suggest looking into the extrafont and showtext packages. This post will focus on what you can do without importing additional packages.
Let’s make a basic plot and see its default look (I am generating this on a Mac with the Quartz device):
To change all text in the figure to Times New Roman, we just need to update the text option of the theme as follows:
ggplot allows you to change the font of each part of the figure: you just need to know the correct option to modify in the theme. (For a…
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Ariel Fuentes Díaz 