Github user shivaram commented on a diff in the pull request:
https://github.com/apache/spark/pull/13199#discussion_r64311380
--- Diff: docs/README.md ---
@@ -20,8 +20,10 @@ installed. Also install the following libraries:
$ sudo pip install Pygments
# Following is needed only for generating API docs
$ sudo pip install sphinx
- $ Rscript -e 'install.packages(c("knitr", "devtools"),
repos="http://cran.stat.ucla.edu/";)'
+ $ sudo Rscript -e 'install.packages(c("knitr", "devtools", "roxygen2",
"testthat"), repos="http://cran.stat.ucla.edu/";)'
--- End diff --
So `install.packages` for R should work even without `sudo`. It will
install packages in the user's R lib directory instead of the system wide one.
That said I don't mind using `sudo` if we want things to be uniform in this
doc.
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