[jira] [Updated] (SPARK-10413) Model should support prediction on single instance

["Joseph K. Bradley (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-10413?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joseph K. Bradley updated SPARK-10413:
--------------------------------------
    Description: 
Currently models in the pipeline API only implement transform(DataFrame). It would be quite useful to support prediction on single instance.

UPDATE: This issue is for making predictions with single models.  We can make methods like {{def predict(features: Vector): Double}} public.
* This issue is *not* for single-instance prediction for full Pipelines, which would require making predictions on {{Row}}s.

  was:Currently models in the pipeline API only implement transform(DataFrame). It would be quite useful to support prediction on single instance.


> Model should support prediction on single instance
> --------------------------------------------------
>
>                 Key: SPARK-10413
>                 URL: https://issues.apache.org/jira/browse/SPARK-10413
>             Project: Spark
>          Issue Type: Umbrella
>          Components: ML
>            Reporter: Xiangrui Meng
>            Priority: Critical
>
> Currently models in the pipeline API only implement transform(DataFrame). It would be quite useful to support prediction on single instance.
> UPDATE: This issue is for making predictions with single models.  We can make methods like {{def predict(features: Vector): Double}} public.
> * This issue is *not* for single-instance prediction for full Pipelines, which would require making predictions on {{Row}}s.



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