Github user selvinsource commented on the pull request:
https://github.com/apache/spark/pull/3062#issuecomment-73426635
@mengxr @srowen
I created the PMMLExportable trait and moved all the code under the package
mllib.pmml.
Supported models implements now this trait and the usage is as you
envisaged:
`val pmml = kmeansModel.toPMML()`
I added also extra export options, respectively File and OutputStream:
`kmeansModel.toPMML("/tmp/kmeans.xml")`
`kmeansModel.toPMML(System.out)`
Feel free to review those, I would suggest to keep at least the
OutputStream which is well known.
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