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https://issues.apache.org/jira/browse/FLINK-1979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15345779#comment-15345779
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ASF GitHub Bot commented on FLINK-1979:
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Github user chiwanpark commented on the issue:
https://github.com/apache/flink/pull/1985
Hi @skavulya, sorry for late response. I've checked the updated PR and
looks good to me. I wonder whether the name `RegularizationPenalty` is proper
because the class calculates lots of values. But it is trivial thing.
If there is no objection in few days, I'll merge this. Thanks! 👍
> 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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