R.home {base}R Documentation

Return the R Home Directory


Return the R home directory.




component As well as "home" which gives the R home directory, other known values are "bin", "doc", "etc" and "share" giving the paths to the corresponding parts of an R installation.


The R home directory is the top-level directory of the R installation being run.

The R home directory is often referred to as R_HOME, and is the value of an environment variable of that name in an R session. It can be found outside an R session by R RHOME.


A character string giving the R home directory or path to a particular component. Normally the components are all subdirectories of the R home directory, but this may not be the case in a Unix-like installation.

[Package base version 2.5.0 Index]