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https://issues.apache.org/jira/browse/SPARK-18864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15831449#comment-15831449
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Yanbo Liang commented on SPARK-18864:
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SPARK-19291 added log-likelihood for SparkR gaussian mixture model, but
introduce SparkR model persistence incompatibility. I think we have not
guarantee for mode persistence compatibility between different versions of
SparkR. We are planing to make model persistence consistent between SparkR and
MLlib, then there is no specific handling for SparkR and will let MLlib to
handle all model persistent issue. So I think this is breaking change for
SparkR and linked it here.
> Changes of MLlib and SparkR behavior for 2.2
> --------------------------------------------
>
> Key: SPARK-18864
> URL: https://issues.apache.org/jira/browse/SPARK-18864
> Project: Spark
> Issue Type: Documentation
> Components: Documentation, ML, MLlib, SparkR
> Reporter: Joseph K. Bradley
>
> This JIRA is for tracking changes of behavior within MLlib and SparkR for the
> Spark 2.2 release. If any JIRAs change behavior, please list them below with
> a short description of the change.
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