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https://issues.apache.org/jira/browse/SPARK-16240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15514829#comment-15514829
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Joseph K. Bradley commented on SPARK-16240:
-------------------------------------------

I merged this for 2.1 and sent a backport for 2.0: 
[https://github.com/apache/spark/pull/15205]

> model loading backward compatibility for ml.clustering.LDA
> ----------------------------------------------------------
>
>                 Key: SPARK-16240
>                 URL: https://issues.apache.org/jira/browse/SPARK-16240
>             Project: Spark
>          Issue Type: Bug
>            Reporter: yuhao yang
>            Assignee: Gayathri Murali
>             Fix For: 2.1.0
>
>
> After resolving the matrix conversion issue, LDA model still cannot load 1.6 
> models as one of the parameter name is changed.
> https://github.com/apache/spark/pull/12065
> We can perhaps add some special logic in the loading code.



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