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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-2083) Ensure high quality docs for FlinkML in 0.9
Date Tue, 26 May 2015 07:51:17 GMT

    [ https://issues.apache.org/jira/browse/FLINK-2083?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14558812#comment-14558812

ASF GitHub Bot commented on FLINK-2083:

Github user tillrohrmann commented on a diff in the pull request:

    --- Diff: docs/libs/ml/optimization.md ---
    @@ -184,12 +192,15 @@ mini-batch SGD will be performed.
    -        <td><strong>Prediction Function</strong></td>
    +        <td><strong>ConvergenceThreshold</strong></td>
    -            Class that provides the prediction function, used to calculate $\hat{y}$
based on the 
    -            weights and the example features, and the prediction gradient.
    -            (Default value: <strong>LinearPrediction</strong>)
    +            When set, this value acts as a convergence stopping criterion for the algorithm.
    +            If the relative difference in the objective function (loss) between two consecutive
    +            iterations
    +            is less than this value we stop the iterations and return the last weights.
    +            This allows us to avoid unnecessary iterations after the algorithm has converged.
    +            (Default value: <strong>None</strong>)
    --- End diff --
    Maybe we could specify the convergence criterion also as a formula, then it's clear which
value is used to calculate the relative change. Maybe we can make a list with all supported
convergence schemes (at the moment only the relative change one).

> Ensure high quality docs for FlinkML in 0.9
> -------------------------------------------
>                 Key: FLINK-2083
>                 URL: https://issues.apache.org/jira/browse/FLINK-2083
>             Project: Flink
>          Issue Type: Improvement
>          Components: Machine Learning Library
>            Reporter: Theodore Vasiloudis
>            Assignee: Theodore Vasiloudis
>              Labels: ML
>             Fix For: 0.9
> As defined in our vision for FlinkML, providing high-quality documentation is a primary
goal for us.
> This issue concerns the docs that will be included in 0.9, and will track improvements
and additions for the release.

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