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	TrueSkill: Bayesowskie Oceny Umiejętności dla Rankingów Rywalizacyjnych	Model Bradleya-Terry'ego
Dziedzina	Podejmowanie decyzji	Podejmowanie decyzji
Rodzina	Regression model	Regression model
Rok powstania	2007	1952
Twórca	Ralf Herbrich, Tom Minka & Thore Graepel	Ralph Bradley & Milton Terry
Typ	Probabilistic ranking model	Probabilistic paired comparison model
Źródło pierwotne	Herbrich, R., Minka, T., & Graepel, T. (2007). TrueSkill: A Bayesian skill rating system. Advances in Neural Information Processing Systems, 19, 569–576.	Bradley, R. A., & Terry, M. E. (1952). Rank analysis of incomplete block designs: I. The method of paired comparisons. Biometrika, 39(3/4), 324–345.
Inne nazwy	Bayesian Skill Rating, TrueSkill Ranking System, Gaussian Skill Model, Beceri Derecelendirme Modeli	BT Model, Bradley-Terry-Luce Model, Paired Comparison Model, İkili Karşılaştırma Modeli
Pokrewne	3	3
Podsumowanie	TrueSkill is a Bayesian skill rating system developed by Herbrich, Minka, and Graepel at Microsoft Research and introduced at NeurIPS 2006. It represents each player's skill as a Gaussian distribution parameterized by a mean (estimated skill) and a variance (uncertainty). After each match outcome, the system updates these distributions via approximate message passing, yielding a principled ranking that handles team games, draws, and partial observations in online settings.	The Bradley-Terry model is a probabilistic model for paired comparisons that assigns a latent strength parameter to each item and predicts the probability that one item beats another in a head-to-head contest. Introduced by Ralph A. Bradley and Milton E. Terry in 1952, it provides a principled statistical framework for ranking items from pairwise preference data, including incomplete comparison designs where not every pair is directly observed.