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Posted to issues@spark.apache.org by "Peter Rudenko (JIRA)" <ji...@apache.org> on 2015/01/28 13:07:34 UTC

[jira] [Created] (SPARK-5455) Add MultipleTransformer abstract class

Peter Rudenko created SPARK-5455:
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             Summary: Add MultipleTransformer abstract class
                 Key: SPARK-5455
                 URL: https://issues.apache.org/jira/browse/SPARK-5455
             Project: Spark
          Issue Type: Bug
          Components: ML
    Affects Versions: 1.2.0
            Reporter: Peter Rudenko


There's an example of UnaryTransformer abstract class. Need to make public MultipleTransformer class that would accepts multiple columns as input and produce a single output column (e.g. from [col1,col2,col3,...] => Vector(col1,col2, col3,..) or mean([col1,col2,col3,...])).



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