Github user MLnick commented on a diff in the pull request:
https://github.com/apache/spark/pull/17316#discussion_r106614985
--- Diff: python/pyspark/ml/feature.py ---
@@ -871,6 +872,164 @@ def idf(self):
@inherit_doc
+class Imputer(JavaEstimator, HasInputCols, JavaMLReadable, JavaMLWritable):
+ """
+ .. note:: Experimental
+
+ Imputation estimator for completing missing values, either using the
mean or the median
+ of the column in which the missing values are located. The input
column should be of
--- End diff --
Will do for Python and Scala doc
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