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[doc] Fix the default value for lambdarank_pair_method. (#10098)

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Jiaming Yuan 2024-03-11 14:53:17 +08:00 committed by GitHub
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doc/parameter.rst
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@ -489,7 +489,7 @@ Parameters for learning to rank (``rank:ndcg``, ``rank:map``, ``rank:pairwise``)
These are parameters specific to learning to rank task. See :doc:`Learning to Rank </tutorials/learning_to_rank>` for an in-depth explanation.
* ``lambdarank_pair_method`` [default = ``mean``]
* ``lambdarank_pair_method`` [default = ``topk``]
How to construct pairs for pair-wise learning.
@ -502,6 +502,8 @@ These are parameters specific to learning to rank task. See :doc:`Learning to Ra
* ``lambdarank_normalization`` [default = ``true``]
.. versionadded:: 2.1.0
Whether to normalize the leaf value by lambda gradient. This can sometimes stagnate the training progress.
* ``lambdarank_unbiased`` [default = ``false``]