[
https://issues.apache.org/jira/browse/MADLIB-1172?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16484418#comment-16484418
]
ASF GitHub Bot commented on MADLIB-1172:
----------------------------------------
GitHub user hpandeycodeit opened a pull request:
https://github.com/apache/madlib/pull/270
Jira 1172
JIRA MADLIB-1172:
When the model cannot be generated due to the
ill-conditioned input data, the output table doesn't get populated.
In that case, Print the below error message:
"An Output model cannot be created because of ill-conditioned Data"
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/hpandeycodeit/incubator-madlib Jira_1172
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/madlib/pull/270.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #270
----
commit 1a53f70e9e8c41971489f8b2e825b0f657be334d
Author: hpandeycodeit <hpandey@...>
Date: 2018-05-22T18:49:11Z
JIRA MADLIB-1172
When the model cannot be generated due to the
ill-conditioned input data, the output table
output table doen't get populated.
In That case, Print the below error message:
"An Output model cannot be created because of ill-conditioned Data"
commit 9122dd2bd13e8d4ae9c3e0379468d5caa155a3a6
Author: hpandeycodeit <hpandey@...>
Date: 2018-05-22T18:54:20Z
Added an error message when the output table is Empty or model cannot be
generated.
----
> 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.
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
