The Chinese character Jiong (囧) is now widely used for expressing ideas or feelings such as annoyance, shock, embarrassment, awkwardness, scorn.
The function plot of
y=1/(x^2-1) looks very similar of this symbol.
I use ggplot2 to draw the symbol of Jiong.
In order to provide an option to compare graphs produced by basic internal plot function and ggplot2, I have recreated the figures in the book, 25 Recipes for Getting Started with R, with ggplot2.
The code used to create the images is in separate paragraphs, allowing easy comparison. 1.16 Creating a Scatter Plot