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From "Anton Dmitriev (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IGNITE-8233) KNN and SVM algorithms don't work when partition doesn't contain data
Date Thu, 12 Apr 2018 09:59:00 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-8233?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Anton Dmitriev updated IGNITE-8233:
-----------------------------------
    Priority: Major  (was: Blocker)

> KNN and SVM algorithms don't work when partition doesn't contain data
> ---------------------------------------------------------------------
>
>                 Key: IGNITE-8233
>                 URL: https://issues.apache.org/jira/browse/IGNITE-8233
>             Project: Ignite
>          Issue Type: Bug
>          Components: ml
>    Affects Versions: 2.4
>            Reporter: Anton Dmitriev
>            Assignee: Anton Dmitriev
>            Priority: Major
>             Fix For: 2.5
>
>
> KNN and SVM algorithms implemented with assumption that partition data won't be null:
> {code:java}
> public LabeledDataset(double[][] mtx, double[] lbs, String[] featureNames, boolean isDistributed)
{
>         super();
>         assert mtx != null;
>         assert lbs != null;
> {code}
> Currently it's wrong assumption, so we need to update dataset to support this assumption
or update these algorithms.



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