10 Commits

Author SHA1 Message Date
Jiaming Yuan
faf0f2df10
Support dataframe data format in native XGBoost. (#9828)
- Implement a columnar adapter.
- Refactor Python pandas handling code to avoid converting into a single numpy array.
- Add support in R for transforming columns.
- Support R data.frame and factor type.
2023-12-12 09:56:31 +08:00
Jiaming Yuan
3ca06ac51e
[doc] Mention data consistency for categorical features. (#9678) 2023-10-24 10:11:33 +08:00
Jiaming Yuan
16eb41936d
Handle the new device parameter in dask and demos. (#9386)
* Handle the new `device` parameter in dask and demos.

- Check no ordinal is specified in the dask interface.
- Update demos.
- Update dask doc.
- Update the condition for QDM.
2023-07-15 19:11:20 +08:00
Jiaming Yuan
570f8ae4ba
Use black on more Python files. (#8137) 2022-08-11 01:38:11 +08:00
Jiaming Yuan
52d4eda786
Deprecate use_label_encoder in XGBClassifier. (#7822)
* Deprecate `use_label_encoder` in XGBClassifier.

* We have removed the encoder, now prepare to remove the indicator.
2022-04-21 13:14:02 +08:00
Jiaming Yuan
1d468e20a4
Optimize GPU evaluation function for categorical data. (#7705)
* Use transform and cache.
2022-02-28 17:46:29 +08:00
Jiaming Yuan
0d0abe1845
Support optimal partitioning for GPU hist. (#7652)
* Implement `MaxCategory` in quantile.
* Implement partition-based split for GPU evaluation.  Currently, it's based on the existing evaluation function.
* Extract an evaluator from GPU Hist to store the needed states.
* Added some CUDA stream/event utilities.
* Update document with references.
* Fixed a bug in approx evaluator where the number of data points is less than the number of categories.
2022-02-15 03:03:12 +08:00
Jiaming Yuan
c024c42dce
Modernize XGBoost Python document. (#7468)
* Use sphinx gallery to integrate examples.
* Remove mock objects.
* Add dask doc inventory.
2021-11-23 23:24:52 +08:00
Jiaming Yuan
15685996fc
[doc] Small improvements for categorical data document. (#7330) 2021-10-20 18:04:32 +08:00
Jiaming Yuan
0bd8f21e4e
Add document for categorical data. (#7307) 2021-10-12 16:10:59 +08:00