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https://issues.apache.org/jira/browse/MADLIB-1146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16131294#comment-16131294
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Frank McQuillan commented on MADLIB-1146:
-----------------------------------------
Similar to https://issues.apache.org/jira/browse/MADLIB-1094
> Elastic Net fails when used without normalization with grouping
> ---------------------------------------------------------------
>
> Key: MADLIB-1146
> URL: https://issues.apache.org/jira/browse/MADLIB-1146
> Project: Apache MADlib
> Issue Type: Bug
> Reporter: Cooper Sloan
> Priority: Minor
> Fix For: v2.0
>
>
> ```
> DROP TABLE IF EXISTS house_en,house_en_summary;
> SELECT madlib.elastic_net_train(
> 'lin_housing_wi',
> 'house_en',
> 'y',
> 'x',
> 'gaussian',
> 0.5,
> 0.5,
> False,
> 'grp_by_col',
> 'fista',
> '',
> NULL,
> 1,
> 1e-6
> );
> psql:/Users/csloan/elastic_net.sql:1: NOTICE: table "house_en" does not
> exist, skipping
> psql:/Users/csloan/elastic_net.sql:1: NOTICE: table "house_en_summary" does
> not exist, skipping
> DROP TABLE
> psql:/Users/csloan/elastic_net.sql:17: ERROR: KeyError: 'select_grp'
> CONTEXT: Traceback (most recent call last):
> PL/Python function "elastic_net_train", line 27, in <module>
> excluded, max_iter, tolerance)
> PL/Python function "elastic_net_train", line 467, in elastic_net_train
> PL/Python function "elastic_net_train", line 502, in
> _internal_elastic_net_train
> PL/Python function "elastic_net_train", line 24, in
> _elastic_net_gaussian_fista_train
> PL/Python function "elastic_net_train", line 171, in
> _elastic_net_fista_train
> PL/Python function "elastic_net_train", line 297, in
> _elastic_net_fista_train_compute
> PL/Python function "elastic_net_train", line 83, in
> _elastic_net_generate_result
> PL/Python function "elastic_net_train"
> ```
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