WeichenXu123 commented on a change in pull request #27522: [SPARK-30762] Add
dtype=float32 support to vector_to_array UDF
URL: https://github.com/apache/spark/pull/27522#discussion_r378220187
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File path: python/pyspark/ml/functions.py
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@@ -20,7 +20,7 @@
@since(3.0)
-def vector_to_array(col):
+def vector_to_array(col, dtype="float64"):
"""
Converts a column of MLlib sparse/dense vectors into a column of dense
arrays.
Review comment:
Add doc for params and return type.
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