[jira] [Created] (FLINK-13669) Add class for BinarizerMapper

[Shang Yuanchun (Jira)]

Xu Yang created FLINK-13669:
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             Summary: Add class for BinarizerMapper
                 Key: FLINK-13669
                 URL: https://issues.apache.org/jira/browse/FLINK-13669
             Project: Flink
          Issue Type: Sub-task
          Components: Library / Machine Learning
            Reporter: Xu Yang


BinarizerMapper is a transformer to binarize a continuous variable using a threshold. The features greater than the threshold will be binarized 1.0 and the features equal to or less than threshold will be binarized to 0.
 * Add BinarizerMapper for the operation of the binarizer.
 * Add BinarizerParams for the params of BinarizerMapper.
 * Add BinarizerMapperTest for the test example.



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