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https://issues.apache.org/jira/browse/SPARK-37959?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-37959:
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Assignee: Apache Spark
> Fix the UT of checking norm in KMeans & BiKMeans
> ------------------------------------------------
>
> Key: SPARK-37959
> URL: https://issues.apache.org/jira/browse/SPARK-37959
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 3.3.0
> Reporter: zhengruifeng
> Assignee: Apache Spark
> Priority: Minor
>
> In KMeansSuite and BisectingKMeansSuite, there are some unused lines:
>
> {code:java}
> model1.clusterCenters.forall(Vectors.norm(_, 2) == 1.0 {code}
>
> For cosine distance, the norm of centering vector should be 1, so the norm
> checking is meaningful;
> For euclidean distance, the norm checking is meaningless;
>
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