Казанский (Приволжский) федеральный университет, КФУ
КАЗАНСКИЙ
ФЕДЕРАЛЬНЫЙ УНИВЕРСИТЕТ
 
ON THE EXPECTED STOPPING TIME OF THE UNIVERSAL D-GUARANTEEING PROCEDURE FOR DISTINGUISHING TWO HYPOTHESES
Форма представленияСтатьи в зарубежных журналах и сборниках
Год публикации2023
Языканглийский
  • Симушкин Дмитрий Сергеевич, автор
  • Симушкин Сергей Владимирович, автор
  • Библиографическое описание на языке оригинала Simushkin S. V. On the Expected Stopping Time of the Universal d-Guaranteeing Procedure for Distinguishing Two Hypotheses / S.V. Simushkin, D.S Simushkin // Lobachevskii Journal of Mathematics - 2023, Vol. 44, No. 12, pp. 5419–5425.
    Аннотация In the problem of distinguishing between two hypotheses, the stopping time of the universal d-guaranteeing procedure, denoted as N, is defined as the observation number at which the posterior probability of one of the hypotheses becomes greater than a given reliability. This article demonstrates that for a wide range of probabilistic models, N is almost surely finite. The average value of ν is analyzed in a special case where N is the first exit time of a random walk beyond twosided parabolic boundaries. Conditions are identified under which the average value of N is finite or infinite. The problem of distinguishing between hypotheses θ ≤ θ0 and θ > θ0 about the mean θ of a normal random variable with a known variance is also examined. In this case, the output parameter θ is a realization of the normal random variable. It is shown that the average value of N is finite only if θ /= θ0, otherwise it is infinite. Monte Carlo simulation data supports the assumption that the unconditional mean value of N is infinite.
    Ключевые слова Bayesian model, d-posterior approach, sequential procedure
    Название журнала Lobashevskii Journal of Mathematics
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