[jira] [Commented] (SPARK-2692) Decision Tree API update

["Joseph K. Bradley (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-2692?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14153647#comment-14153647 ] 

Joseph K. Bradley commented on SPARK-2692:
------------------------------------------

Closing this since it is part of the new API JIRA: [https://issues.apache.org/jira/browse/SPARK-1856]

> Decision Tree API update
> ------------------------
>
>                 Key: SPARK-2692
>                 URL: https://issues.apache.org/jira/browse/SPARK-2692
>             Project: Spark
>          Issue Type: Improvement
>          Components: MLlib
>    Affects Versions: 1.0.0
>            Reporter: Joseph K. Bradley
>            Assignee: Joseph K. Bradley
>
> Split Decision Tree API into separate Classifier and Regressor classes.
> Details:
> (a) Split classes: E.g.: DecisionTree --> DecisionTreeClassifier and DecisionTreeRegressor
> (b) Included print() function for human-readable model descriptions
> (c) Renamed Strategy to *Params. Changed to take strings instead of special types.
> (d) Made configuration classes (Impurity, QuantileStrategy) private to mllib.
> (e) Changed meaning of maxDepth by 1 to match scikit-learn and rpart.
> (f) Removed static train() functions in favor of using Params classes.
> (g) Introduced DatasetInfo class for metadata.



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