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https://issues.apache.org/jira/browse/FLINK-1979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15309058#comment-15309058
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ASF GitHub Bot commented on FLINK-1979:
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Github user chiwanpark commented on the pull request:
https://github.com/apache/flink/pull/1985
Hi @skavulya, I just quickly reviewed your updated PR and left few
comments. They are not critical things but It would be better to fix them.
Other things are very good.
> Implement Loss Functions
> ------------------------
>
> Key: FLINK-1979
> URL: https://issues.apache.org/jira/browse/FLINK-1979
> Project: Flink
> Issue Type: Improvement
> Components: Machine Learning Library
> Reporter: Johannes Günther
> Assignee: Johannes Günther
> Priority: Minor
> Labels: ML
>
> For convex optimization problems, optimizer methods like SGD rely on a
> pluggable implementation of a loss function and its first derivative.
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