[Rd] How is the environment variable "R_USER" defined?

Sebastian Meyer @eb@meyer @end|ng |rom |@u@de
Mon Nov 22 18:21:33 CET 2021

Just a quick thought.
R for Windows FAQ 2.14 talks about the home directory:


So maybe HOMEDRIVE and HOMEPATH are involved?

Hope this helps.

	Sebastian Meyer

Am 22.11.21 um 17:46 schrieb Jiefei Wang:
> Hi, I have a new win system and try to install R as usual. Somehow,
> the environment variable "R_LIBS_USER" is incorrectly pointed to a
> Onedrive folder. Since "R_LIBS_USER" depends on "R_USER", the root
> problem then becomes why "R_USER" is the path to the Onedrive. I did
> an exhausting search in the R directory and the only related message I
> can find is from EnvVar.html, which states
> R_USER: The user's ‘home’ directory. Set by R. (HOME will be set to
> the same value if not already set.)
> I guess that's another way to say "no document is available yet". I
> also took a look at my system environment variables but there are only
> two variables related to Onedrive, they are
> OneDrive=C:\Users\wangj\OneDrive
> OneDriveConsumer=C:\Users\wangj\OneDrive
> so everything looks pretty normal, I know I can correct this issue by
> manually adding Renviron but I just wonder where this default behavior
> comes from...
> Best,
> Jiefei
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