Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/8118#discussion_r38171503
--- Diff: python/pyspark/ml/feature.py ---
@@ -819,6 +819,75 @@ class StringIndexerModel(JavaModel):
"""
+class StopWordsRemover(JavaTransformer, HasInputCol, HasOutputCol):
+ """
+ .. note:: Experimental
+
+ A feature transformer that filters out stop words from input.
+ Note: null values from input array are preserved unless adding null to
stopWords explicitly.
+ """
+ # a placeholder to make the stopwords show up in generated doc
+ stopWords = Param(Params._dummy(), "stopWords", "The words to be
filtered out")
+ caseSensitive = Param(Params._dummy(), "caseSensitive", "whether to do
a case sensitive " +
+ "comparison over the stop words")
+
+ @keyword_only
+ def __init__(self, inputCol=None, outputCol=None, stopWords=None,
+ caseSensitive=False):
+ """
+ __init__(self, inputCol=None, outputCol=None, stopWords=None,
+ caseSensitive=false)
+ """
+ super(StopWordsRemover, self).__init__()
+ self._java_obj =
self._new_java_obj("org.apache.spark.ml.feature.StopWordsRemover",
+ self.uid)
+ self.stopWords = Param(self, "stopWords", "The words to be
filtered out")
+ self.caseSensitive = Param(self._dummy(), "caseSensitive",
"whether to do a case " +
+ "sensitive comparison over the stop
words")
+ stopWordsObj = _jvm().org.apache.spark.ml.feature.StopWords
+ defaultStopWords = stopWordsObj.ENGLISH_STOP_WORDS()
+ self._setDefault(stopWords=defaultStopWords)
+ kwargs = self.__init__._input_kwargs
+ self.setParams(**kwargs)
+
+ @keyword_only
+ def setParams(self, inputCol=None, outputCol=None, stopWords=None,
+ caseSensitive=False):
+ """
+ setParams(self, inputCol="input", outputCol="output",
stopWords=None,
--- End diff --
ditto `\`
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