How to install development version of R packages github repository
I have the feeling that both previous answers miss the point of your question.
You can control where to install packages via arguments to both
R CMD INSTALL(via
At run-time, you can control where to load packages from via
So it really is just a matter of setting a few variables in your
.Rprofile (or alike) to control this.
via Hadley at https://github.com/hadley/ggplot2
install.packages("devtools") library(devtools) dev_mode(on=T) install_github("hadley/ggplot2") # use dev ggplot2 now # when finished do: dev_mode(on=F) #and you are back to having stable ggplot2