Hendrik/xgboost
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Document for process_type. (#7135)

Browse Source 
* Update document for prune and refresh.

* Add demo.
This commit is contained in:
Jiaming Yuan
2021-08-03 13:11:52 +08:00
committed by GitHub
parent d080b5a953
commit 7bdedacb54
4 changed files with 115 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
doc/parameter.rst
View File

@@ -177,7 +177,7 @@ Parameters for Tree Booster
- ``grow_gpu_hist``: Grow tree with GPU.
- ``sync``: synchronizes trees in all distributed nodes.
- ``refresh``: refreshes tree's statistics and/or leaf values based on the current data. Note that no random subsampling of data rows is performed.
- ``prune``: prunes the splits where loss < min_split_loss (or gamma).
- ``prune``: prunes the splits where loss < min_split_loss (or gamma) and nodes that have depth greater than ``max_depth``.
- In a distributed setting, the implicit updater sequence value would be adjusted to ``grow_histmaker,prune`` by default, and you can set ``tree_method`` as ``hist`` to use ``grow_histmaker``.