This R package illustrate some operations of the raster package. The essence of the content is available directly from RPubs. You can also view the complete markdown document to produce the visual cheatsheet. However, if you want to install it on your computer, read on.
If devtools is installed, you can
library("devtools")
install_github("etiennebr/visualraster")
Otherwise, download the package from the download section
install.packages("visualraster")
You can have a demonstration by typing demo("vr-cheatsheet")
If you find bugs or have features to request, please use the github tracker.