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From azagrebin <...@git.apache.org>
Subject [GitHub] spark pull request: [SPARK-6117] [SQL] add describe function to Da...
Date Wed, 18 Mar 2015 09:54:53 GMT
Github user azagrebin commented on the pull request:

    https://github.com/apache/spark/pull/5073#issuecomment-82857943
  
    I have done one aggregation, splitten it locally into resulting DataFrame supplemented
with schema and statistic names. I have also created nested version of standard deviation
expression (stddev) which might be not optimal but can be replaced later.


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