Using ggtext to spruce up your plots!

Santosh Srinivas 21.Feb.2020

Quick daily coding post. Follow this thread for details: https://twitter.com/geokaramanis/status/1230549592103456769

I watched this awesome video last night before bed: Spruce up your ggplot2 visualizations with formatted text? - Claus Wilke

Here is a quick demo to enhance your plots! ;-)

# daily coding post to demonstrate using ggtext

# credit: late night watch of [Spruce up your ggplot2 visualizations with formatted text? - Claus Wilke](https://resources.rstudio.com/rstudio-conf-2020/spruce-up-your-ggplot2-visualizations-with-formatted-text-claus-wilke)

# Inspired by:
# https://gist.github.com/gkaramanis/a18438d624e495784af38932650c6abe
# https://twitter.com/geokaramanis/status/1230549592103456769?s=20

# remotes::install_github("wilkelab/ggtext")

library(ggtext)
library(ggplot2)

library(extrafont)
font_import() # Import all fonts
fonts() # Print list of all fonts

# original by https://twitter.com/geokaramanis

ggplot(data = data.frame(x = c(-4, 6)), aes(x)) +
  stat_function(fun = dnorm, n = 101, args = list(mean = 0, sd = 1), geom = "area", fill = "#F5BB87", alpha = 0.9) +
  stat_function(fun = dnorm, n = 101, args = list(mean = 2.7, sd = 1), geom = "area", fill = "#BBD4EB", alpha = 0.9) +
  coord_fixed(xlim = c(-5, 7), ratio = 8, clip = "off") +
  annotate("segment", x = -3.9, y = 0, xend = 6, yend = 0, color = "grey60", size = 1.3) +
  annotate("segment", x = -3.5, y = -0.04, xend = -3.5, yend = 0.42, color = "grey60", size = 1.3) +
  annotate("text", x = 0, y = 0.18, label = "what people\nactually do\nin R", family = "Arial Bold", color = "white", size = 5.2) +
  annotate("text", x = 2.75, y = 0.18, label = "what people\nassume others\ndo in R", family = "Arial Bold", color = "white", size = 5.2) +
  annotate("text", x = -1.25, y = -0.03, label = "← less complicated", family = "Arial Bold", color = "grey60", size = 5.2) + 
  annotate("text", x = 3.25, y = -0.03, label = "more complicated →", family = "Arial Bold", color = "grey60", size = 5.2) + 
  theme_void() +
  ggsave("~/Desktop/normal.png", width = 10, height = 4)

# butchered by https://twitter.com/TweetSKS

# credit: https://github.com/wilkelab/ggtext/issues/8
ggplot(data = data.frame(x = c(-4, 6)), aes(x)) +
  stat_function(fun = dnorm, n = 101, args = list(mean = 0, sd = 1), geom = "area", fill = "#F5BB87", alpha = 0.9) +
  stat_function(fun = dnorm, n = 101, args = list(mean = 2.7, sd = 1), geom = "area", fill = "#BBD4EB", alpha = 0.9) +
  coord_fixed(xlim = c(-5, 7), ratio = 8, clip = "off") +
  annotate("segment", x = -3.9, y = 0, xend = 6, yend = 0, color = "grey60", size = 1.3) +
  annotate("segment", x = -3.5, y = -0.04, xend = -3.5, yend = 0.42, color = "grey60", size = 1.3) +
  annotate(geom='richtext', x=0, y=0.18, label = "what people <br><span style='color:red'>actually do</span><br>in R.", fill = NA, label.color = NA, , size = 10, vjust = 1, family = "Impact") +
  annotate(geom='richtext', x=2.75, y=0.18, label = "what people <br><span style='color:blue'>assume others do</span><br>in R.", fill = NA, label.color = NA, size = 10, vjust = 1, family = "Impact") +
  annotate("text", x = -1.25, y = -0.03, label = "← less complicated", family = "Arial Bold", color = "grey60", size = 5.2) + 
  annotate("text", x = 3.25, y = -0.03, label = "more complicated →", family = "Arial Bold", color = "grey60", size = 5.2) + 
  theme_void() +
  ggsave("~/Desktop/normal.png", width = 15, height = 10)