[HIVEMALL-275] Fix xgboost module to create DMatrix from CSRMatrix

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.6.0
• Assignee: Makoto Yui
• Reporter: Makoto Yui
• Created: 31/Oct/19 08:44
• Updated: 22/Nov/19 15:57
• Resolved: 22/Nov/19 15:57

Description

DMatrix is created from LabelPoints but it consumes memory. So, support creating DMatrix directory from CSR matrix using matrix4j.

https://github.com/dmlc/xgboost/blob/master/jvm-packages/xgboost4j/src/test/java/ml/dmlc/xgboost4j/java/DMatrixTest.java#L134]

Issue Links

• is a child of: HIVEMALL-276 [Umbrella] official support for xgboost v0.90
• links to: GitHub Pull Request #211
• links to: GitHub Pull Request #213