Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/10836#discussion_r50206183
--- Diff: R/README.md ---
@@ -1,6 +1,16 @@
# R on Spark
SparkR is an R package that provides a light-weight frontend to use Spark
from R.
+### Installing sparkR
+
+Libraries of sparkR need to be created in `$SPARK_HOME/R/lib`. This can be
done by running the script `$SPARK_HOME/R/install-dev.sh`.
--- End diff --
If one were running from R studio with the steps in `Using SparkR from
RStudio` below he wouldn't have to install or run install-dev.sh though - could
we clarify that?
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