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Posted to issues@hivemall.apache.org by "Makoto Yui (JIRA)" <ji...@apache.org> on 2017/06/30 12:17:00 UTC

[jira] [Closed] (HIVEMALL-75) Support Sparse Vector Format as the input of RandomForest

     [ https://issues.apache.org/jira/browse/HIVEMALL-75?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Makoto Yui closed HIVEMALL-75.
------------------------------
    Resolution: Fixed

> Support Sparse Vector Format as the input of RandomForest
> ---------------------------------------------------------
>
>                 Key: HIVEMALL-75
>                 URL: https://issues.apache.org/jira/browse/HIVEMALL-75
>             Project: Hivemall
>          Issue Type: Improvement
>            Reporter: Makoto Yui
>            Assignee: Makoto Yui
>
> RandomForest implementation should support Sparse Vector as the input.
> Matrix and CSRMatrix implementation is required for replacing double[][]x in 
> https://github.com/myui/incubator-hivemall/blob/master/core/src/main/java/hivemall/smile/classification/DecisionTree.java#L416
> CSRMatrixBuilder should support incremental CSRMatrix construction.
> https://github.com/myui/hivemall/commit/8f396178223809a8e8211070537c2539ebb6e165



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