Error using Arial in .eps figure with extrafont package

Question

I\'m using ggplot2 in R to generate figures for a publication in which all figures need to be .eps format and all fonts needs to be Arial. I\'ve been following this guide to

Answer 1

Instead of extrafont package

library(ggplot2)
plot <- ggplot(mtcars, aes(wt, qsec)) + 
  geom_point() + 
  theme(text = element_text(family = "Arial"),
        axis.title = element_text(size = 22))

ggsave(filename = "myfile.eps",plot)