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Posted to issues@spark.apache.org by "zhengruifeng (JIRA)" <ji...@apache.org> on 2016/04/17 10:48:25 UTC
[jira] [Commented] (SPARK-14681) Provide label/impurity stats for
spark.ml decision tree nodes
[ https://issues.apache.org/jira/browse/SPARK-14681?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15244574#comment-15244574 ]
zhengruifeng commented on SPARK-14681:
--------------------------------------
Will this stats be inclued in trainingSummary or non-trainingSummary evaluated on some dataframe?
> Provide label/impurity stats for spark.ml decision tree nodes
> -------------------------------------------------------------
>
> Key: SPARK-14681
> URL: https://issues.apache.org/jira/browse/SPARK-14681
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Reporter: Joseph K. Bradley
>
> Currently, spark.ml decision trees provide all node info except for the aggregated stats about labels and impurities. This task is to provide those publicly. We need to choose a good API for it, so we should discuss the design on this issue before implementing it.
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