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Posted to issues@madlib.apache.org by "Frank McQuillan (JIRA)" <ji...@apache.org> on 2018/06/01 23:52:00 UTC

[jira] [Resolved] (MADLIB-1172) Logistic regression produces empty output table but no error message on Greenplum

     [ https://issues.apache.org/jira/browse/MADLIB-1172?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Frank McQuillan resolved MADLIB-1172.
-------------------------------------
    Resolution: Fixed

> Logistic regression produces empty output table but no error message on Greenplum
> ---------------------------------------------------------------------------------
>
>                 Key: MADLIB-1172
>                 URL: https://issues.apache.org/jira/browse/MADLIB-1172
>             Project: Apache MADlib
>          Issue Type: Bug
>          Components: Module: Logistic Regression
>            Reporter: Frank McQuillan
>            Assignee: Himanshu Pandey
>            Priority: Minor
>             Fix For: v1.15
>
>         Attachments: Logistic-regression-empty-output.ipynb, load-data-sep.sql, load-data-singular.sql, load-data.sql
>
>
> 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.



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