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https://issues.apache.org/jira/browse/SPARK-10023?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yanbo Liang updated SPARK-10023:
--------------------------------
    Description: 
"checkpointInterval" is member of DecisionTreeParams in Scala API which is 
inconsistency with Python API, we should unified them.

* checkpointInterval
** member of DecisionTreeParams <-> Scala API
** shared param used for all ML Transformer/Estimator <-> Python API

Proposal: Make "checkpointInterval" member of DecisionTreeParams for Python 
API, because of it only validate when cacheNodeIds is true and the checkpoint 
directory is set in the SparkContext.

  was:
"checkpointInterval" is member of DecisionTreeParams in Scala API which is 
inconsistency with Python API, we should unified them.

* checkpointInterval
** member of DecisionTreeParams <-> Scala API
** shared param used for all ML Transformer/Estimator <-> Python API

Proposal: Make "checkpointInterval" shared param for Scala API


> Unified DecisionTreeParams "checkpointInterval" between Scala and Python API.
> -----------------------------------------------------------------------------
>
>                 Key: SPARK-10023
>                 URL: https://issues.apache.org/jira/browse/SPARK-10023
>             Project: Spark
>          Issue Type: Sub-task
>          Components: ML, PySpark
>            Reporter: Yanbo Liang
>
> "checkpointInterval" is member of DecisionTreeParams in Scala API which is 
> inconsistency with Python API, we should unified them.
> * checkpointInterval
> ** member of DecisionTreeParams <-> Scala API
> ** shared param used for all ML Transformer/Estimator <-> Python API
> Proposal: Make "checkpointInterval" member of DecisionTreeParams for Python 
> API, because of it only validate when cacheNodeIds is true and the checkpoint 
> directory is set in the SparkContext.



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