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Set ndcg to default for LTR. (#8822)

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- Add document.
- Add tests.
- Use `ndcg` with `topk` as default.
This commit is contained in:
Jiaming Yuan
2023-06-09 23:31:33 +08:00
committed by GitHub
parent e4dd6051a0
commit 1fcc26a6f8
18 changed files with 842 additions and 19 deletions
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doc/contrib/coding_guide.rst
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@@ -16,8 +16,10 @@ C++ Coding Guideline
* Each line of text may contain up to 100 characters.
* The use of C++ exceptions is allowed.
- Use C++11 features such as smart pointers, braced initializers, lambda functions, and ``std::thread``.
- Use C++17 features such as smart pointers, braced initializers, lambda functions, and ``std::thread``.
- Use Doxygen to document all the interface code.
- We have some comments around symbols imported by headers, some of those are hinted by `include-what-you-use <https://include-what-you-use.org>`_. It's not required.
- We use clang-tidy and clang-format. You can check their configuration in the root directory of the XGBoost source tree.
- We have a series of automatic checks to ensure that all of our codebase complies with the Google style. Before submitting your pull request, you are encouraged to run the style checks on your machine. See :ref:`running_checks_locally`.
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