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From "Xiangrui Meng (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-2692) Decision Tree API update
Date Fri, 01 Aug 2014 05:50:38 GMT

     [ https://issues.apache.org/jira/browse/SPARK-2692?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xiangrui Meng updated SPARK-2692:
---------------------------------

    Target Version/s: 1.2.0  (was: 1.1.0)

> 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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