introduction.R
In showtext: Using Fonts More Easily in R Graphs

## ----setup, include=FALSE-----------------------------------------------------
if(capabilities("cairo"))
    knitr::opts_chunk$set(dev.args = list(type = "cairo"))

## ----message = FALSE, fig.align='center', fig.showtext=TRUE-------------------
library(showtext)
## Loading Google fonts (https://fonts.google.com/)
font_add_google("Gochi Hand", "gochi")
font_add_google("Schoolbell", "bell")

## Automatically use showtext to render text
showtext_auto()

set.seed(123)
hist(rnorm(1000), breaks = 30, col = "steelblue", border = "white",
     main = "", xlab = "", ylab = "")
title("Histogram of Normal Random Numbers", family = "bell", cex.main = 2)
title(ylab = "Frequency", family = "gochi", cex.lab = 2)
text(2, 70, "N = 1000", family = "bell", cex = 2.5)

## ----echo=FALSE, message=FALSE, fig.align='center', fig.showtext=TRUE---------
showtext_end()

set.seed(123)
hist(rnorm(1000), breaks = 30, col = "steelblue", border = "white",
     main = "Histogram of Normal Random Numbers", xlab = "", ylab = "Frequency")

showtext_begin()
text(2, 70, "N = 1000", family = "bell", cex = 2.5)
showtext_end()

showtext_begin()