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https://issues.apache.org/jira/browse/HIVEMALL-275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16963840#comment-16963840
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ASF GitHub Bot commented on HIVEMALL-275:
-----------------------------------------
myui commented on pull request #211: [WIP][HIVEMALL-275] Fix xgboost module to
create DMatrix from CSRMatrix
URL: https://github.com/apache/incubator-hivemall/pull/211
## What changes were proposed in this pull request?
Fix xgboost module to create DMatrix from CSRMatrix
## What type of PR is it?
Refactoring
## What is the Jira issue?
https://issues.apache.org/jira/browse/HIVEMALL-275
## How was this patch tested?
unit tests and manual tests on EMR
## How to use this feature?
as seen in https://gist.github.com/myui/aa6e142a95ca8f995cc8e49146dbe2eb
## Checklist
- [x] Did you apply source code formatter, i.e., `./bin/format_code.sh`, for
your commit?
- [ ] Did you run system tests on Hive (or Spark)?
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> Fix xgboost module to create DMatrix from CSRMatrix
> ---------------------------------------------------
>
> Key: HIVEMALL-275
> URL: https://issues.apache.org/jira/browse/HIVEMALL-275
> Project: Hivemall
> Issue Type: Improvement
> Reporter: Makoto Yui
> Assignee: Makoto Yui
> Priority: Minor
> Fix For: 0.6.0
>
>
> DMatrix is created from LabelPoints but it consumes memory. So, support
> creating DMatrix directory from CSR matrix using [matrix4j|#L71].
> [https://github.com/dmlc/xgboost/blob/master/jvm-packages/xgboost4j/src/test/java/ml/dmlc/xgboost4j/java/DMatrixTest.java#L134]]
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