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https://issues.apache.org/jira/browse/SPARK-14503?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15889085#comment-15889085
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Joseph K. Bradley commented on SPARK-14503:
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Sorry for the slow reply. I actually haven't read enough about PrefixSpan to
say, and the original paper doesn't seem to cover rule generation.
We're going with PrefixSpanModel currently. The benefit from combining the
models seems pretty small given the unknowns here, and if they can share
implementations, we can do so internally in the future.
> spark.ml Scala API for FPGrowth
> -------------------------------
>
> Key: SPARK-14503
> URL: https://issues.apache.org/jira/browse/SPARK-14503
> Project: Spark
> Issue Type: Sub-task
> Components: ML
> Reporter: Joseph K. Bradley
> Assignee: yuhao yang
>
> This task is the first port of spark.mllib.fpm functionality to spark.ml
> (Scala).
> This will require a brief design doc to confirm a reasonable DataFrame-based
> API, with details for this class. The doc could also look ahead to the other
> fpm classes, especially if their API decisions will affect FPGrowth.
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