[jira] [Updated] (SPARK-14758) Add checking for StepSize and Tol

["Sean Owen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-14758?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen updated SPARK-14758:
------------------------------
    Assignee: zhengruifeng
    Priority: Trivial  (was: Major)

> Add checking for StepSize and Tol
> ---------------------------------
>
>                 Key: SPARK-14758
>                 URL: https://issues.apache.org/jira/browse/SPARK-14758
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML
>            Reporter: zhengruifeng
>            Assignee: zhengruifeng
>            Priority: Trivial
>             Fix For: 2.0.0
>
>
> The following code run successfully and return a model. 
> {code}
> val data = ...
> val gbt = new GBTRegressor().setStepSize(-1)
> val linear = new LinearRegression().setTol(-1)
> val model = linear.fit(data)
> {code}
> The {{setStepSize}} and {{setTol}} should throw some exception.



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