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Posted to issues@spark.apache.org by "zhengruifeng (JIRA)" <ji...@apache.org> on 2018/11/23 03:53:00 UTC

[jira] [Created] (SPARK-26153) GBT & RandomForest avoid unnecessary `first` job to compute `numFeatures`

zhengruifeng created SPARK-26153:
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             Summary: GBT & RandomForest avoid unnecessary `first` job to compute `numFeatures`
                 Key: SPARK-26153
                 URL: https://issues.apache.org/jira/browse/SPARK-26153
             Project: Spark
          Issue Type: Improvement
          Components: ML
    Affects Versions: 3.0.0
            Reporter: zhengruifeng


We can directly obtain \{numFeatures} from the base models



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