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https://issues.apache.org/jira/browse/SPARK-14758?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-14758.
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Resolution: Fixed
Fix Version/s: 2.0.0
Issue resolved by pull request 12530
[https://github.com/apache/spark/pull/12530]
> 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
> 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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