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From "Yury Babak (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-9064) Decision tree optimization
Date Tue, 24 Jul 2018 12:32:00 GMT
Yury Babak created IGNITE-9064:
----------------------------------

             Summary: Decision tree optimization
                 Key: IGNITE-9064
                 URL: https://issues.apache.org/jira/browse/IGNITE-9064
             Project: Ignite
          Issue Type: Improvement
          Components: ml
            Reporter: Yury Babak
            Assignee: Alexey Platonov
             Fix For: 2.7


We need to optimize impurity function calculation by additional index structure for all sorted
features and reusing it in learning iterations.



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