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https://issues.apache.org/jira/browse/SPARK-5987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14357109#comment-14357109
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Joseph K. Bradley commented on SPARK-5987:
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This isn't a bug in Spark SQL. The issue is that we haven't defined a
UserDefinedType for Matrices. (We should, but haven't yet.) When I said
"basic types," I meant the types enumerated on the SQL programming guide
(basically, Array[Double] or Seq[Double] will be best). I'd recommend
flattening the matrix into an Array[Double] instead of having nested types.
The nesting is less efficient because of all of the extra objects it creates.
> Model import/export for GaussianMixtureModel
> --------------------------------------------
>
> Key: SPARK-5987
> URL: https://issues.apache.org/jira/browse/SPARK-5987
> Project: Spark
> Issue Type: Sub-task
> Components: MLlib
> Affects Versions: 1.3.0
> Reporter: Joseph K. Bradley
> Assignee: Manoj Kumar
>
> Support save/load for GaussianMixtureModel
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