Hendrik/xgboost
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4 Commits

Author SHA1 Message Date
Jiaming Yuan
031d66ec27
Configuration for init estimation. (#8343) 
* Configuration for init estimation.

* Check whether the model needs configuration based on const attribute `ModelFitted`
instead of a mutable state.
* Add parameter `boost_from_average` to tell whether the user has specified base score.
* Add tests.
 2022-10-18 01:52:24 +08:00
Jiaming Yuan
fffb1fca52
Calculate base_score based on input labels for mae. (#8107) 
Fit an intercept as base score for abs loss.
 2022-09-20 20:53:54 +08:00
Jiaming Yuan
98d6faefd6
Implement slope for Pseduo-Huber. (#7727) 
* Add objective and metric.
* Some refactoring for CPU/GPU dispatching using linalg module.
 2022-03-14 21:42:38 +08:00
Jiaming Yuan
a7057fa64c
Implement typed storage for tensor. (#7429) 
* Add `Tensor` class.
* Add elementwise kernel for CPU and GPU.
* Add unravel index.
* Move some computation to compile time.
 2021-11-14 18:53:13 +08:00