Joseph K. Bradley created SPARK-7130:
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Summary: spark.ml RandomForest* should always do bootstrapping
Key: SPARK-7130
URL: https://issues.apache.org/jira/browse/SPARK-7130
Project: Spark
Issue Type: Improvement
Components: ML
Affects Versions: 1.4.0
Reporter: Joseph K. Bradley
Priority: Minor
Currently, spark.ml RandomForest does not do bootstrapping if numTrees = 1.
For consistency and a simpler API, it should always do bootstrapping. The
current behavior is an artifact of the old API, in which RandomForest and
DecisionTree share the same implementation. This change should happen after
the implementation is moved to spark.ml (which we need to do so that the
implementation can be generalized).
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