Brendan Dwyer created SYSTEMML-1803:
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             Summary: Do not require X/Y to be split
                 Key: SYSTEMML-1803
                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1803
             Project: SystemML
          Issue Type: Wish
          Components: Algorithms
            Reporter: Brendan Dwyer
            Priority: Minor


It would be very helpful if the SystemML algorithms did not require the X and Y 
datasets to be split into separate inputs. In most use cases the X and Y data 
will be stored together.

Additionally when a Spark DataFrame is split there is no guarantee that the 
order will be preserved.



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