Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/3261#discussion_r20344792
--- Diff: python/pyspark/mllib/recommendation.py ---
@@ -23,6 +23,16 @@
class Rating(object):
--- End diff --
Also saw a result on performance:
http://stackoverflow.com/questions/2646157/what-is-the-fastest-to-access-struct-like-object-in-python
~~~
namedtuple.a : 0.473686933517
namedtuple[0] : 0.180409193039
struct.a : 0.180846214294
struct[0] : 1.32191514969
~~~
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