DMatrix Refactor Discussion

tqchen · July 5, 2018, 3:40pm

Since DMatrix refactor results in a major change of data structure and internals, let us do an RFC discussion of choices and their consequences.

cc @hcho3

@RAMitchell Can you make a list of proposed changes?

hcho3 · July 5, 2018, 5:31pm

There has been a report of XGBoost-Spark crashing after DMatrix refactor: https://github.com/dmlc/xgboost/issues/3402

hcho3 · July 7, 2018, 6:24am

Theo (@thvasilo, GitHub profile) found a bug that’s smilar to #3402. I’ll post more updates on this.

hcho3 · July 31, 2018, 4:35am

I submitted a patch to fix a bug introduced by the refactor.

animvnn · March 5, 2024, 1:21am

Would you folks know if DMatrix supports any metadata to provide the ability to train a model on different objective functions based on segment of training data ?