[jira] [Updated] (FLINK-13239) Add unary loss functions

[ASF GitHub Bot (JIRA)]

     [ 
https://issues.apache.org/jira/browse/FLINK-13239?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

ASF GitHub Bot updated FLINK-13239:
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    Labels: pull-request-available  (was: )

> Add unary loss functions
> ------------------------
>
>                 Key: FLINK-13239
>                 URL: https://issues.apache.org/jira/browse/FLINK-13239
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Library / Machine Learning
>            Reporter: Xu Yang
>            Assignee: Xu Yang
>            Priority: Major
>              Labels: pull-request-available
>
> Add unary loss function's interface and 9 common used functions:
> # ExponentialLossFunc
> # HingeLossFunc
> # LogisticLossFunc
> # LogLossFunc
> # PerceptronLossFunc
> # ZeroOneLossFunc
> # SquareLossFunc
> # SvrLossFunc
> # HuberLossFunc
> More information about loss function, please see：
> * https://en.wikipedia.org/wiki/Loss_function
> * https://en.wikipedia.org/wiki/Loss_functions_for_classification



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