[jira] [Resolved] (SPARK-22119) Add cosine distance to KMeans

["Sean Owen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-22119?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen resolved SPARK-22119.
-------------------------------
       Resolution: Fixed
    Fix Version/s: 2.4.0

Issue resolved by pull request 19340
[https://github.com/apache/spark/pull/19340]

> Add cosine distance to KMeans
> -----------------------------
>
>                 Key: SPARK-22119
>                 URL: https://issues.apache.org/jira/browse/SPARK-22119
>             Project: Spark
>          Issue Type: New Feature
>          Components: ML, MLlib
>    Affects Versions: 2.2.0
>            Reporter: Marco Gaido
>            Assignee: Marco Gaido
>            Priority: Minor
>             Fix For: 2.4.0
>
>
> Currently, KMeans assumes the only possible distance measure to be used is the Euclidean.
> In some use cases, eg. text mining, other distance measures like the cosine distance are widely used. Thus, for such use cases, it would be good to support multiple distance measures.
> This ticket is to support the cosine distance measure on KMeans. Later, other algorithms can be extended to support several distance measures and other distance measures can be added.



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org