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https://issues.apache.org/jira/browse/SPARK-18409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15870791#comment-15870791
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Apache Spark commented on SPARK-18409:
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User 'Yunni' has created a pull request for this issue:
https://github.com/apache/spark/pull/16966
> LSH approxNearestNeighbors should use approxQuantile instead of sort
> --------------------------------------------------------------------
>
> Key: SPARK-18409
> URL: https://issues.apache.org/jira/browse/SPARK-18409
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Reporter: Joseph K. Bradley
>
> LSHModel.approxNearestNeighbors sorts the full dataset on the hashDistance in
> order to find a threshold. It should use approxQuantile instead.
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