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Posted to reviews@spark.apache.org by mengxr <gi...@git.apache.org> on 2015/09/11 22:26:34 UTC

[GitHub] spark pull request: [SPARK-9698] [ML] Add RInteraction transformer...

Github user mengxr commented on the pull request:

    https://github.com/apache/spark/pull/7987#issuecomment-139654262
  
    Had an offline discussion with @ericl 
    * split this PR into two
      1. an `Interaction` transformer that only handles ML columns (`Double` and `Vector` with attributes for categorial features)
      2. move the string column handling logic to `RFormula`


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