Error in R: (Package which is only available in source form, and may need compilation of C/C++/Fortran)

Question

I\'m trying to install the \'yaml\' and \'stringi\' packages in R-Studio, and it keeps giving me these errors:

> install.packages(\"stringi\")
Package whi         


        

Answer 1

You need to install RTools to build packages like this (i.e., a source package rather than a binary). After you install Rtools, then try again to install.packages("ggplot2") and R will prompt you with:

Do you want to attempt to install these from source?
y/n:

(see the picture below)

You need to answer y and it will try to compile the package so it can be installed.