xgboost.testing.data.PBM Class Reference

Public Member Functions
None	__init__ (self, float eta)
npt.NDArray[np.int32]	sample_clicks_for_query (self, npt.NDArray[np.int32] labels, npt.NDArray[np.int64] position)

Data Fields
	click_prob
	exam_prob

Detailed Description

Simulate click data with position bias model. There are other models available in
`ULTRA <https://github.com/ULTR-Community/ULTRA.git>`_ like the cascading model.

References
----------
Unbiased LambdaMART: An Unbiased Pairwise Learning-to-Rank Algorithm

Member Function Documentation

sample_clicks_for_query()

npt.NDArray[np.int32] xgboost.testing.data.PBM.sample_clicks_for_query	(		self,
		npt.NDArray[np.int32]	labels,
		npt.NDArray[np.int64]	position
	)

Sample clicks for one query based on input relevance degree and position.

Parameters
----------

labels :
    relevance_degree

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The documentation for this class was generated from the following file:

• External/xgboost/python-package/xgboost/testing/data.py