Weizhi Li created SPARK-16692:
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             Summary: multi labels evaluations to Dataframe. 
                 Key: SPARK-16692
                 URL: https://issues.apache.org/jira/browse/SPARK-16692
             Project: Spark
          Issue Type: Improvement
          Components: ML, MLlib
            Reporter: Weizhi Li
            Priority: Minor


For the multi labels evaluations. There is a method to in MLlib named 
MultilabelMetrics: A multilabel classification problem involves mapping each 
sample in a dataset to a set of class labels. In this type of classification 
problem, the labels are not mutually exclusive. For example, when classifying a 
set of news articles into topics, a single article might be both science and 
politics.

Added this method to support DataFrame in ML. 



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