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Posted to issues@systemml.apache.org by "Matthias Boehm (JIRA)" <ji...@apache.org> on 2016/09/30 05:35:20 UTC

[jira] [Created] (SYSTEMML-995) MLContext dataframe-frame conversion with index column

Matthias Boehm created SYSTEMML-995:
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             Summary: MLContext dataframe-frame conversion with index column
                 Key: SYSTEMML-995
                 URL: https://issues.apache.org/jira/browse/SYSTEMML-995
             Project: SystemML
          Issue Type: Bug
          Components: APIs
    Affects Versions: SystemML 0.11
            Reporter: Matthias Boehm


MLContext currently always assumes data frame to frame conversion without existing index column. Since the user cannot communicate the existence of this column, the data conversion leads to incorrect results as an additional column is included in the output frame. We need make the MLContext handling of frames consistent with the handling of matrices.

Thanks [~mwdusenb@us.ibm.com] for catching this issue. cc [~acs_s]



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