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  1. Apache MADlib
  2. MADLIB-1172

Logistic regression produces empty output table but no error message on Greenplum

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    Description

      Separated and singular data sets may produce and empty model table on Greenplum 4.3.x. On Postgres 9.6 the same example works OK.

      See the attache jupyter notebook and data sets for details.

      Attachments

        1. Logistic-regression-empty-output.ipynb
          402 kB
          Frank McQuillan
        2. load-data-sep.sql
          6 kB
          Frank McQuillan
        3. load-data-singular.sql
          6 kB
          Frank McQuillan
        4. load-data.sql
          6 kB
          Frank McQuillan

        Issue Links

          links to

          Web Link GitHub Pull Request #270

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              hpandey Himanshu Pandey
              fmcquillan Frank McQuillan
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                Updated:
                Resolved: