Github user mengxr commented on the pull request:
https://github.com/apache/spark/pull/9207#issuecomment-215519584
I want to hold PMML support in spark.ml for Spark 2.1. We might need to
discuss more about the potential coverage we can get, especially on pipeline
support and feature transformers. It would be nice to proceed with that big
picture in mind. @vruusmann Could you ping us back when you have the prototype
ready?
On the interface side, it would be nice to have PMML (and perhaps JSON)
support as part of MLWritable, e.g.,
`model.write.format("pmml").save("/path")`. We can discuss more about the APIs.
@vruusmann Are you familiar with PFA (http://dmg.org/pfa/index.html)? How
does it compare to PMML?
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