[doc] Use cross references in sphinx doc. (#7522)

* Use cross references instead of URL. * Fix auto doc for callback.
2022-01-05 03:21:25 +08:00
parent eb1efb54b5
commit 54582f641a
11 changed files with 93 additions and 73 deletions
--- a/doc/treemethod.rst
+++ b/doc/treemethod.rst
@@ -1,6 +1,6 @@
-####################
-XGBoost Tree Methods
-####################
+############
+Tree Methods
+############

 For training boosted tree models, there are 2 parameters used for choosing algorithms,
 namely ``updater`` and ``tree_method``.  XGBoost has 4 builtin tree methods, namely