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https://issues.apache.org/jira/browse/SPARK-30377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17005086#comment-17005086
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Huaxin Gao commented on SPARK-30377:
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Seems there is no API difference, but it would be more logical to make every
Regressor to extend ml.Regressor.
I quickly checked on Classifiers. Everything extends Classifier except
OneVsRest. I guess I will open a separate Jira to make OneVsRest extend
Classifier.
> Make Regressors extend abstract class Regressor
> -----------------------------------------------
>
> Key: SPARK-30377
> URL: https://issues.apache.org/jira/browse/SPARK-30377
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 3.0.0
> Reporter: zhengruifeng
> Priority: Major
>
> Just found that {{AFTSurvivalRegression}} , {{DecisionTreeRegressor}},
> {{FMRegressor}}, {{GBTRegressor}}, {{RandomForestRegressor}} directly extend
> {{Predictor}}
>
> Only {{GeneralizedLinearRegression}} and {{LinearRegression now extend
> Regressor.}}
>
>
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