Hello,

R 4.1.0 on Ubuntu 20.04.
My ls command on /usr/lib/R on my home computer gives what Rolf posted, so I agree with every body that this is not an R issue and would insist with RStudio and ask for their help again. They are generally helpful, btw.

I follow installation instructions to the letter and have never had any problems like this one. If the installation of R seems OK, have you tried to uninstall and reinstall RStudio?


rui@rui:~$ ls /usr/lib/R
bin  COPYING  etc  lib  library  modules  site-library  SVN-REVISION
rui@rui:~$ ls /usr/share/R
debian  doc  include  share


Hope this helps,

Rui Barradas


Às 14:15 de 08/08/21, Duncan Murdoch escreveu:
Jeff pointed out where the doc directory is installed in Ubuntu: /usr/share/R/doc.  So this is definitely an RStudio issue:  perhaps it got "tweaked", or perhaps Rolf installed a version meant for some other distribution.  In either case, off-topic in R-help, I think.

Duncan Murdoch

On 08/08/2021 8:51 a.m., John Kane wrote:
R version 4.1.0 (2021-05-18)
RStudio 1.4.1714
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Ubuntu 20.04.2 LTS

I do not see a doc folder at R level but a lot of newer packages,
probably tidyverse derived seem to have a doc sub-folder containing
documentation files

For example corrplot has a doc subfolder containing
corrplot-intro.html
corrplot-intro.R
corrplot-intro.Rmd
index.html

Jim Lemon's suggestion seems worth trying but I really think this is
some RStudio weirdity. I have been using RStudio for 3-4 years and a
several complete installations on new machines and tave never seen
anything like "R doc dir (/usr/local/lib64/R/doc) not found".

RStudio keeps getting tweaked.



On Sun, 8 Aug 2021 at 00:30, Jim Lemon <drjimle...@gmail.com> wrote:

Hi Rolf,
What about:

mkdir /usr/lib/R/doc

Jim

On Sun, Aug 8, 2021 at 12:45 PM Rolf Turner <r.tur...@auckland.ac.nz> wrote:


Should/shouldn't there be one?

My R seems to be installed in /usr/lib/R.  If do an "ls" of this
directory, I get:

bin/  COPYING@        etc/  lib/  library/  modules/
site-library/  SVN-REVISION

Definitely no "doc".

The (only) reason that I am concerned about this, is that I have decided
to experiment a bit with Rstudio, and it apparently wants a "doc"
directory.  When I try to start Rstudio I get a pop-up window with the
error message

R doc dir (/usr/local/lib64/R/doc) not found.

Note that /usr/local/lib64/R is a symbolic link to /usr/lib/R.
The latter is where my installation put R; the former seems to be where
Rstudio wants it to.  So I created the symbolic link.

The discrepancy between locations is another puzzle/worry.

My installation comes from a pre-built binary ("sudo apt install
r-base").  I apparently have the latest version.  I remark that I am
running Ubuntu 20.04 with a Mate 1.20.4 desktop.

How can I get a "doc" directory into my R directory and make Rstudio
happy?

cheers,

Rolf Turner

P.S. I have also tried to ask about this on the  Rstudio community
forum, but it seems to me to more of an R question than an Rstudio one.

R. T.

--
Honorary Research Fellow
Department of Statistics
University of Auckland
Phone: +64-9-373-7599 ext. 88276

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