Github user coderh commented on the pull request:
https://github.com/apache/spark/pull/165#issuecomment-45245775
Hi, @mengxr
You have mentioned that you have tested implicit ALS on the movielens data.
Do you have any evaluation result on that ? I am so curious about the
evaluation criterion used in you case and how you interpret the explicit
feedback like ratings into implicit case.
Thank you.
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