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  1. Spark
  2. SPARK-27944

Unify the behavior of checking empty output column names

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 3.0.0
    • Fix Version/s: 3.0.0
    • Component/s: ML
    • Labels:
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      Description

      In some algs (LDA, DT, GBTC, SVC, LR, MLP, NB), the transform method will check whether an output column name is empty, and if all names are empty, it will log a warning msg and do nothing.

       

      It maybe better to make other algs (regression, ovr, clustering, als) also check the output columns before transformation.

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              • Assignee:
                podongfeng zhengruifeng
                Reporter:
                podongfeng zhengruifeng
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                  Updated:
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