Github user smurching commented on a diff in the pull request:
https://github.com/apache/spark/pull/19753#discussion_r151315757
--- Diff: python/pyspark/ml/feature.py ---
@@ -2565,22 +2575,28 @@ class VectorIndexer(JavaEstimator, HasInputCol,
HasOutputCol, JavaMLReadable, Ja
"(>= 2). If a feature is found to have >
maxCategories values, then " +
"it is declared continuous.",
typeConverter=TypeConverters.toInt)
+ handleInvalid = Param(Params._dummy(), "handleInvalid", "How to handle
invalid data " +
+ "(unseen labels or NULL values). Options are
'skip' (filter out " +
+ "rows with invalid data), 'error' (throw an
error), or 'keep' (put " +
+ "invalid data in a special additional bucket, at
index numCategories).",
+ typeConverter=TypeConverters.toString)
+
@keyword_only
- def __init__(self, maxCategories=20, inputCol=None, outputCol=None):
+ def __init__(self, maxCategories=20, inputCol=None, outputCol=None,
handleInvalid="error"):
"""
- __init__(self, maxCategories=20, inputCol=None, outputCol=None)
+ __init__(self, maxCategories=20, inputCol=None, outputCol=None,
handleInvalid="error")
"""
super(VectorIndexer, self).__init__()
self._java_obj =
self._new_java_obj("org.apache.spark.ml.feature.VectorIndexer", self.uid)
- self._setDefault(maxCategories=20)
+ self._setDefault(maxCategories=20, handleInvalid="error")
kwargs = self._input_kwargs
self.setParams(**kwargs)
@keyword_only
@since("1.4.0")
- def setParams(self, maxCategories=20, inputCol=None, outputCol=None):
+ def setParams(self, maxCategories=20, inputCol=None, outputCol=None,
handleInvalid="error"):
--- End diff --
Thanks for the explanation, that makes sense.
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