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Posted to issues@spark.apache.org by "Xiangrui Meng (JIRA)" <ji...@apache.org> on 2015/04/15 23:13:59 UTC

[jira] [Updated] (SPARK-6948) VectorAssembler should choose dense/sparse for output based on number of zeros

     [ https://issues.apache.org/jira/browse/SPARK-6948?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiangrui Meng updated SPARK-6948:
---------------------------------
    Priority: Minor  (was: Major)

> VectorAssembler should choose dense/sparse for output based on number of zeros
> ------------------------------------------------------------------------------
>
>                 Key: SPARK-6948
>                 URL: https://issues.apache.org/jira/browse/SPARK-6948
>             Project: Spark
>          Issue Type: Improvement
>          Components: MLlib
>    Affects Versions: 1.4.0
>            Reporter: Xiangrui Meng
>            Priority: Minor
>
> Now VectorAssembler only outputs sparse vectors. We should choose dense/sparse format automatically, whichever uses less memory.



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