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Posted to issues@spark.apache.org by "Joseph K. Bradley (JIRA)" <ji...@apache.org> on 2018/04/23 22:53:00 UTC
[jira] [Updated] (SPARK-23455) Default Params in ML should be saved
separately
[ https://issues.apache.org/jira/browse/SPARK-23455?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Joseph K. Bradley updated SPARK-23455:
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Target Version/s: 2.4.0
> Default Params in ML should be saved separately
> -----------------------------------------------
>
> Key: SPARK-23455
> URL: https://issues.apache.org/jira/browse/SPARK-23455
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 2.4.0
> Reporter: Liang-Chi Hsieh
> Assignee: Liang-Chi Hsieh
> Priority: Major
>
> We save ML's user-supplied params and default params as one entity in JSON. During loading the saved models, we set all the loaded params into created ML model instances as user-supplied params.
> It causes some problems, e.g., if we strictly disallow some params to be set at the same time, a default param can fail the param check because it is treated as user-supplied param after loading.
> The loaded default params should not be set as user-supplied params. We should save ML default params separately in JSON.
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