How do I install an R package from source?

Question

I work on Mac OSX and want to install a RJSONIO package in my R, I am a beginner currently and I have no I idea about installing a package in R. Can someone explain it to me?

Answer 1

You can install the downloaded package as follows:

install.packages(filepath, repos = NULL, type="source")

Or you can directly install the package form cran repository as follows:

install.packages("RJSONIO")

If you want to explore more in R programming then watch this R programming tutorial for beginner: