Use mtext() to write text in margin – the R Graph Gallery
4.4 Multiple graphs | An Introduction to R
r - Titles overlapping or going out - Stack Overflow
r - Common main title of a figure panel compiled with par(mfrow) - Stack Overflow
Graphics
Text and symbol size in multi-panel figures in R - Datavore Consulting
Laying out multiple plots on a page
Laying out multiple plots on a page
r - Common main title of a figure panel compiled with par(mfrow) - Stack Overflow
How to add title at the top and in the middle of two graph in R - Stack Overflow
Common Main Title for Multiple Plots in Base R & ggplot2 (Example) | patchwork Package Composition - YouTube
Introduction to R
Common Main Title for Multiple Plots in Base R & ggplot2 (2 Examples)
YaRrr! The Pirate's Guide to R
r - Title key on each panel of a plot generated with par(mfrow=c(x,y)) - Stack Overflow
R STUDIO Tutorial - How to use the code par.mfrow? - YouTube
r - Title key on each panel of a plot generated with par(mfrow=c(x,y)) - Stack Overflow
R Essentials
Base R graphics
Math Notation for R Plot Titles: expression, bquote, & Greek Letters | TRinker's R Blog
r - Title key on each panel of a plot generated with par(mfrow=c(x,y)) - Stack Overflow
