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https://issues.apache.org/jira/browse/IGNITE-11664?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexey Zinoviev updated IGNITE-11664:
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Fix Version/s: 2.9
> [ML] Use Double.NaN as default values for missing values in Vector
> ------------------------------------------------------------------
>
> Key: IGNITE-11664
> URL: https://issues.apache.org/jira/browse/IGNITE-11664
> Project: Ignite
> Issue Type: Improvement
> Components: ml
> Reporter: Alexey Zinoviev
> Assignee: Alexey Zinoviev
> Priority: Major
> Labels: stability
> Fix For: 2.9
>
>
> Currently, we use 0.0 value for default values in vectors if a value is
> missing. But this way contradicts to preprocessors politics where for missing
> values Double.NaN is using. Moreover, Double.NaN is a more convenient value
> for missing feature values.
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