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From "Theodore Vasiloudis (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FLINK-2185) Rework semantics for .setSeed function of SVM
Date Mon, 08 Jun 2015 14:54:03 GMT

     [ https://issues.apache.org/jira/browse/FLINK-2185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Theodore Vasiloudis updated FLINK-2185:
    Fix Version/s: 0.10

> Rework semantics for .setSeed function of SVM
> ---------------------------------------------
>                 Key: FLINK-2185
>                 URL: https://issues.apache.org/jira/browse/FLINK-2185
>             Project: Flink
>          Issue Type: Improvement
>          Components: Machine Learning Library
>            Reporter: Theodore Vasiloudis
>            Priority: Minor
>              Labels: ML
>             Fix For: 0.10
> Currently setting the seed for the SVM does not have the expected result of producing
the same output for each run of the algorithm, potentially due to the randomness in data partitioning.
> We should then rework the way the algorithm works to either ensure we get the exact same
results when the seed is set, or if that is not possible the setSeed function should be removed.
> Also in the current implementation the default value of 0 for the seed means that all
runs for which we don't set the seed will get the same seed which is not the intended behavior.

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