muxspace/crant — pull request #25 by eev2 (2014-07-30 10:22:42+00:00)
Title: Changed $R --vanilla to $R --no-save --no-restore

Some users may install packages in a non-default directory which is specified in the .Renviron or R site script. With the --vanilla switch, these files are not read so the required package is not found.