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https://issues.apache.org/jira/browse/SPARK-30376?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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zhengruifeng reassigned SPARK-30376:
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Assignee: zhengruifeng
> Unify the computation of numFeatures
> ------------------------------------
>
> Key: SPARK-30376
> URL: https://issues.apache.org/jira/browse/SPARK-30376
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 3.0.0
> Reporter: zhengruifeng
> Assignee: zhengruifeng
> Priority: Trivial
>
> Try to extract numFeatures from metadata first, if do not exists, then
> extract from the dataset.
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