Počet záznamů: 1
On Matching Confidence Intervals and Tests for Some Discrete Distributions: Methodological and Computational Aspects
- 1.0523899 - ÚI 2022 RIV DE eng J - Článek v odborném periodiku
Klaschka, Jan - Reiczigel, J.
On Matching Confidence Intervals and Tests for Some Discrete Distributions: Methodological and Computational Aspects.
Computational Statistics. Roč. 36, č. 3 (2021), s. 1775-1790. ISSN 0943-4062. E-ISSN 1613-9658
Institucionální podpora: RVO:67985807
Klíčová slova: Exact test * Sterne’s and Blaker’s exact confidence interval * Binomial model * Poisson model * Computational algorithm
Obor OECD: Statistics and probability
Impakt faktor: 1.405, rok: 2021
Způsob publikování: Open access
Exact two-tailed tests and two-sided confidence intervals (CIs) for a binomial proportion or Poisson parameter by Sterne (Biometrika 41:117–129, 1954) or Blaker (Can J Stat 28(4):783–798, 2000) are successful in reducing conservatism of the Clopper–Pearson method. However, the methods suffer from an inconsistency between the tests and the corresponding CIs: In some cases, a parameter value is rejected by the test, though it lies in the CI. The problem results from non-unimodality of the test p value functions. We propose a slight modification of the tests that avoids the inconsistency, while preserving nestedness and exactness. Fast and accurate algorithms for both the test modification and calculation of confidence bounds are presented together with their theoretical background.
Trvalý link: http://hdl.handle.net/11104/0308179
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Počet záznamů: 1