Github user sachingoel0101 commented on the pull request: https://github.com/apache/flink/pull/1186#issuecomment-181771679 As the original author of this PR, I'd say this: I tried implementing the import features but they aren't worth it. You have to discard most of the valid pmml models because they don't fit in with the flink framework. Further, in my opinion, the use of flink is to train the model. Once we export that model in pmml, you can use it pretty much anywhere, say R or matlab, which support a complete pmml import and export functionality. The exported model is in most cases going to be used for testing, evaluating and predictions purposes, for which flink isn't a good platform to use anyway. This can be accomplished anywhere.
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