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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-1966) Add support for predictive model markup language (PMML)
Date Tue, 09 Feb 2016 08:29:18 GMT

    [ https://issues.apache.org/jira/browse/FLINK-1966?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15138528#comment-15138528
] 

ASF GitHub Bot commented on FLINK-1966:
---------------------------------------

Github user chobeat commented on the pull request:

    https://github.com/apache/flink/pull/1186#issuecomment-181757426
  
    Well that wouldn't be a problem for the export: you will create and therefore export only
models that have `double` as datatype for parameters but that's not an issue. 
    
    This would be a problem for import though because PMML does support a wider set of data
types and model types but you can't really achieve any satisfying degree of support for PMML
in a platform like Flink and that's why everyone use JPMML for evaluation. You will be able
to only import compatible models with compatible data fields. This would require a simple
validation at runtime on the model type and on fields' data types.


> Add support for predictive model markup language (PMML)
> -------------------------------------------------------
>
>                 Key: FLINK-1966
>                 URL: https://issues.apache.org/jira/browse/FLINK-1966
>             Project: Flink
>          Issue Type: Improvement
>          Components: Machine Learning Library
>            Reporter: Till Rohrmann
>            Assignee: Sachin Goel
>            Priority: Minor
>              Labels: ML
>
> The predictive model markup language (PMML) [1] is a widely used language to describe
predictive and descriptive models as well as pre- and post-processing steps. That way it allows
and easy way to export for and import models from other ML tools.
> Resources:
> [1] http://journal.r-project.org/archive/2009-1/RJournal_2009-1_Guazzelli+et+al.pdf



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