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[SPARK-7231] [SPARKR] Changes to make SparkR DataFrame dplyr friendly. #6005

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[SPARK-7231] [SPARKR] Changes to make SparkR DataFrame dplyr friendly. #6005

wants to merge 3 commits into from

Commits on May 8, 2015

  1. Changes to make SparkR DataFrame dplyr friendly. 

    Changes include
1. Rename sortDF to arrange
2. Add new aliases `group_by` and `sample_frac`, `summarize`
3. Add more user friendly column addition (mutate), rename
4. Support mean as an alias for avg in Scala and also support n_distinct, n as in dplyr
    @shivaram
    shivaram committed May 8, 2015
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  2. Merge branch 'master' of https://github.com/apache/spark into sparkr-… 

    …df-api

Conflicts:
	R/pkg/R/DataFrame.R
    @shivaram
    shivaram committed May 8, 2015
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  3. Fix some roxygen bugs

    @shivaram
    shivaram committed May 8, 2015
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