[GitHub] incubator-hivemall issue #115: [WIP][HIVEMALL-124][BUGFIX] Fixed bugs in Bin...

[myui]

Github user myui commented on the issue:

    https://github.com/apache/incubator-hivemall/pull/115
  
    Ideally, it should be `ndcg(array(1,3), array(1)) < ndcg(array(1), 
array(1))` but correct code return 1.0 for both cases.


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