Github user echarles commented on the pull request: https://github.com/apache/incubator-zeppelin/pull/835#issuecomment-221787153 @jongyoul your conclusion are correct. I would also say there is something happeing with the zeppelin.R.render.options` nowt taken into account (the `echo = FALSE` is there to ensure the commands you type are not printed in the result). Here, it seems the R result is returned with the given command. Maybe the interperter settings overrides the values defined in the interepreter code?
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