[SPARK-23008][ML][FOLLOW-UP] mark OneHotEncoder python API deprecated

## What changes were proposed in this pull request? mark OneHotEncoder python API deprecated ## How was this patch tested? N/A Author: WeichenXu <[email protected]> Closes apache#20241 from WeichenXu123/mark_ohe_deprecated.
sefeiguo · Jan 12, 2018 · a7d98d5 · a7d98d5
1 parent cbe7c6f
commit a7d98d5
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diff --git a/python/pyspark/ml/feature.py b/python/pyspark/ml/feature.py
@@ -1578,6 +1578,9 @@ class OneHotEncoder(JavaTransformer, HasInputCol, HasOutputCol, JavaMLReadable,
     .. note:: This is different from scikit-learn's OneHotEncoder,
         which keeps all categories. The output vectors are sparse.
 
+    .. note:: Deprecated in 2.3.0. :py:class:`OneHotEncoderEstimator` will be renamed to
+        :py:class:`OneHotEncoder` and this :py:class:`OneHotEncoder` will be removed in 3.0.0.
+
     .. seealso::
 
        :py:class:`StringIndexer` for converting categorical values into