Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/1515#discussion_r15196701
--- Diff: examples/src/main/python/als.py ---
@@ -17,6 +17,8 @@
"""
This example requires numpy (http://www.numpy.org/)
+This is an example implementation of ALS for learning how to use Spark.
Please refer to
--- End diff --
It may be better to move this sentence before "This example requires numpy."
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