[GitHub] spark pull request #17978: [SPARK-20736][Python] PySpark StringIndexer suppo...

[HyukjinKwon <gi...@git.apache.org>]

Github user HyukjinKwon commented on a diff in the pull request:

    https://github.com/apache/spark/pull/17978#discussion_r116395876
  
    --- Diff: python/pyspark/ml/feature.py ---
    @@ -2115,22 +2115,32 @@ class StringIndexer(JavaEstimator, HasInputCol, HasOutputCol, HasHandleInvalid,
         .. versionadded:: 1.4.0
         """
     
    +    stringOrderType = Param(Params._dummy(), "stringOrderType",
    +                            "How to order labels of string column. The first label after " +
    +                            "ordering is assigned an index of 0. Supported options: " +
    +                            "frequencyDesc, frequencyAsc, alphabetDsec, alphabetAsc.",
    +                            typeConverter=TypeConverters.toString)
    +
         @keyword_only
    -    def __init__(self, inputCol=None, outputCol=None, handleInvalid="error"):
    +    def __init__(self, inputCol=None, outputCol=None, handleInvalid="error",
    +                 stringOrderType="frequencyDesc"):
             """
    -        __init__(self, inputCol=None, outputCol=None, handleInvalid="error")
    +        __init__(self, inputCol=None, outputCol=None, handleInvalid="error", \
    --- End diff --
    
    Probably, the leading `\` could be removed.


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