GitHub user felixcheung opened a pull request:

    https://github.com/apache/spark/pull/9463

    [SPARK-11263][SPARKR] lintr Throws Warnings on Commented Code in 
Documentation

    Clean out hundreds of `style: Commented code should be removed.` from lintr
    
    Like these:
    ```
    /opt/spark-1.6.0-bin-hadoop2.6/R/pkg/R/DataFrame.R:513:3: style: Commented 
code should be removed.
    # sc <- sparkR.init()
      ^~~~~~~~~~~~~~~~~~~
    /opt/spark-1.6.0-bin-hadoop2.6/R/pkg/R/DataFrame.R:514:3: style: Commented 
code should be removed.
    # sqlContext <- sparkRSQL.init(sc)
      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    /opt/spark-1.6.0-bin-hadoop2.6/R/pkg/R/DataFrame.R:515:3: style: Commented 
code should be removed.
    # path <- "path/to/file.json"
      ^~~~~~~~~~~~~~~~~~~~~~~~~~~
    ```
    
    tried without @export or @rdname, neither work
    instead, added this `#' @noRd` to suppress .Rd file generation
    
    also updated `@family` for DataFrame functions for longer descriptive text 
instead of `dataframe_funcs`
    
![image](https://cloud.githubusercontent.com/assets/8969467/10933937/17bf5b1e-8291-11e5-9777-40fc632105dc.png)
    
    this covers *most* of 'Commented code' but I left out a few that looks 
legitimate.


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/felixcheung/spark rlintr

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/spark/pull/9463.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #9463
    
----
commit 4b136b3c7ec150e1fc2005f7d5b93015801f9e77
Author: felixcheung <[email protected]>
Date:   2015-11-04T09:05:08Z

    Clean out a lot of lintr complains particularly with commented code

----


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