[jira] [Closed] (MADLIB-975) Random Forest training error message

["Frank McQuillan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MADLIB-975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Frank McQuillan closed MADLIB-975.
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> Random Forest training error message
> ------------------------------------
>
>                 Key: MADLIB-975
>                 URL: https://issues.apache.org/jira/browse/MADLIB-975
>             Project: Apache MADlib
>          Issue Type: Bug
>            Reporter: Rashmi Raghu
>            Assignee: Orhan Kislal
>            Priority: Minor
>             Fix For: v1.9
>
>
> Error message during RF training not interpretable. See query example below. Sample data for query sent offline.
>  SELECT madlib.forest_train(
> 			 'dev.training_data_take_1', --training_table_name
>              'dev.models_random_forest', -- output_table_name,
>              'id', -- id_col_name,
>             'event', -- dependent_variable,
>              '*', -- list_of_features,
>              'id,regionname,wellid,day', -- list_of_features_to_exclude,
>              NULL, -- grouping_cols,
>              100 -- num_trees,
>              -- num_random_features,
>              -- importance,
>              -- num_permutations,
>              -- max_tree_depth,
>              -- min_split,
>              -- min_bucket,
>              -- num_splits,
>              -- surrogate_params,
>              -- verbose,
>              -- sample_ratio
>              );
> ERROR:  AttributeError: 'NoneType' object has no attribute 'sort' (plpython.c:4648)
> CONTEXT:  Traceback (most recent call last):
>   PL/Python function "forest_train", line 42, in <module>
>     sample_ratio
>   PL/Python function "forest_train", line 337, in forest_train
> PL/Python function "forest_train"
> ********** Error **********
> ERROR: AttributeError: 'NoneType' object has no attribute 'sort' (plpython.c:4648)
> SQL state: XX000
> Context: Traceback (most recent call last):
>   PL/Python function "forest_train", line 42, in <module>
>     sample_ratio
>   PL/Python function "forest_train", line 337, in forest_train
> PL/Python function "forest_train"



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