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From "Artem Malykh (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-6864) Apply refactorings to decision trees code.
Date Fri, 10 Nov 2017 13:41:00 GMT
Artem Malykh created IGNITE-6864:
------------------------------------

             Summary: Apply refactorings to decision trees code.
                 Key: IGNITE-6864
                 URL: https://issues.apache.org/jira/browse/IGNITE-6864
             Project: Ignite
          Issue Type: Task
      Security Level: Public (Viewable by anyone)
            Reporter: Artem Malykh


* Think about changes signatures in MNISTUtils, maybe we should use collections or arrays
instead of streams.
* Add tests for CacheUtils new methods used in ColumnDecisionTreeTrainer
* Think about OpenBitSet insead of SparseBitSet and BitSet
* Consider making decision tree internal structure classes



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