Github user MLnick commented on a diff in the pull request:
https://github.com/apache/spark/pull/17622#discussion_r112905614
--- Diff: python/pyspark/ml/recommendation.py ---
@@ -384,6 +392,28 @@ def itemFactors(self):
"""
return self._call_java("itemFactors")
+ @since("2.2.0")
+ def recommendForAllUsers(self, numItems):
+ """
+ Returns top `numItems` items recommended for each user, for all
users.
+
+ :param numItems: max number of recommendations for each user
+ :return: a DataFrame of (userCol, recommendations), where
recommendations are
+ stored as an array of (itemCol, rating) Rows.
+ """
+ return self._call_java("recommendForAllUsers", numItems)
+
+ @since("2.2.0")
+ def recommendForAllItems(self, numUsers):
+ """
+ Returns top `numUsers` users recommended for each item, for all
items.
+
+ :param numItems: max number of recommendations for each item
--- End diff --
Thanks!
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