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Posted to issues@spark.apache.org by "darion yaphet (JIRA)" <ji...@apache.org> on 2017/06/15 08:22:00 UTC
[jira] [Updated] (SPARK-21104) Support sort with index when parse
LibSVM Record
[ https://issues.apache.org/jira/browse/SPARK-21104?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
darion yaphet updated SPARK-21104:
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Description:
When I'm loading LibSVM from HDFS , I found feature index should be in ascending order .
We can sorted with *indices* when we parse the input line input a (index, value) tuple and avoid check if indices are in ascending order after that.
was:When I'm loading LibSVM from HDFS , I found feature index should be in ascending order . We can sorted with *indices* when we parse the input line input a (index, value) tuple and avoid check if indices are in ascending order after that.
> Support sort with index when parse LibSVM Record
> ------------------------------------------------
>
> Key: SPARK-21104
> URL: https://issues.apache.org/jira/browse/SPARK-21104
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Affects Versions: 2.1.1
> Reporter: darion yaphet
> Priority: Minor
>
> When I'm loading LibSVM from HDFS , I found feature index should be in ascending order .
> We can sorted with *indices* when we parse the input line input a (index, value) tuple and avoid check if indices are in ascending order after that.
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