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Posted to issues@spark.apache.org by "Max Kaznady (JIRA)" <ji...@apache.org> on 2015/04/13 21:01:12 UTC

[jira] [Created] (SPARK-6884) random forest predict probabilities functionality (like in sklearn)

Max Kaznady created SPARK-6884:
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             Summary: random forest predict probabilities functionality (like in sklearn)
                 Key: SPARK-6884
                 URL: https://issues.apache.org/jira/browse/SPARK-6884
             Project: Spark
          Issue Type: New Feature
          Components: MLlib
    Affects Versions: 1.4.0
         Environment: cross-platform
            Reporter: Max Kaznady


Currently, there is no way to extract the class probabilities from the RandomForest classifier. I implemented a probability predictor by counting votes from individual trees and adding up their votes for "1" and then dividing by the total number of votes.

I opened this ticked to keep track of changes. Will update once I push my code to master.



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