HyukjinKwon commented on a change in pull request #27466:
[SPARK-30722][PYTHON][DOCS] Update documentation for Pandas UDF with Python
type hints
URL: https://github.com/apache/spark/pull/27466#discussion_r375218392
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File path: python/pyspark/sql/pandas/group_ops.py
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@@ -121,8 +119,56 @@ def applyInPandas(self, func, schema):
| 2| 1.1094003924504583|
+---+-------------------+
- .. seealso:: :meth:`pyspark.sql.functions.pandas_udf`
+ Alternatively, the user can pass a function that takes two arguments.
Review comment:
Information ported from GROUPED MAP in `pandas_udf`.
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