[R] change the R home directory

[Jeff Newmiller]

Change to the desired directory before starting R.
-- 
Sent from my phone. Please excuse my brevity.

On April 8, 2017 10:40:13 AM PDT, Da Zheng <zhengda1936 at gmail.com> wrote:
>Hello,
>
>By default, the home directory of R is "/usr/lib/R" in Ubuntu.
>Everything works fine.
>
>However, when I installed Jupyter notebook and the R kernel with
>anaconda2, it seems the R home directory is changed to some directory
>in anaconda2. This messes up compilation and linking. I wonder how I
>change the R home directory back to the default directory.
>
>I tried to set R_HOME directly, When I start R, I see a warning
>message:
>WARNING: ignoring environment value of R_HOME
>
>I don't understand why R wants to ignore the environment value.
>Of course, the R home directory isn't changed.
>> R.home()
>[1] "/home/zhengda/anaconda2/lib/R"
>
>What is the right way of changing the R home directory?
>
>Thanks,
>Da
>
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