[jira] [Commented] (SPARK-18408) API Improvements for LSH

["Nick Pentreath (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-18408?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15731407#comment-15731407 ] 

Nick Pentreath commented on SPARK-18408:
----------------------------------------

Went ahead and re-marked fix version to {{2.1.0}} since RC2 has been cut.

> API Improvements for LSH
> ------------------------
>
>                 Key: SPARK-18408
>                 URL: https://issues.apache.org/jira/browse/SPARK-18408
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML
>            Reporter: Yun Ni
>            Assignee: Yun Ni
>             Fix For: 2.1.0, 2.2.0
>
>
> As the first improvements to current LSH Implementations, we are planning to do the followings:
>  - Change output schema to {{Array of Vector}} instead of {{Vectors}}
>  - Use {{numHashTables}} as the dimension of {{Array}} and {{numHashFunctions}} as the dimension of {{Vector}}
>  - Rename {{RandomProjection}} to {{BucketedRandomProjectionLSH}}, {{MinHash}} to {{MinHashLSH}}
>  - Make randUnitVectors/randCoefficients private
>  - Make Multi-Probe NN Search and {{hashDistance}} private for future discussion



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