[jira] [Commented] (SPARK-15172) Warning message should explicitly tell user initial coefficients is ignored if its size doesn't match expected size in LogisticRegression

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-15172?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15273685#comment-15273685 ] 

Apache Spark commented on SPARK-15172:
--------------------------------------

User 'dding3' has created a pull request for this issue:
https://github.com/apache/spark/pull/12948

> Warning message should explicitly tell user initial coefficients is ignored if its size doesn't match expected size in LogisticRegression
> -----------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-15172
>                 URL: https://issues.apache.org/jira/browse/SPARK-15172
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML
>            Reporter: ding
>            Priority: Trivial
>
> From ML/LogisticRegression code logic, if size of initial coefficients doesn't match expected size, initial coefficients value will be ignored. We should explicitly tell user the information. Besides, log size of initial coefficients should be more straightforward than log initial coefficients value when size mismatch happened.



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