Results 1 to 10 of about 908 (194)

Statistical Inference of the Class of Nonparametric Tests for the Panel Count and Current Status Data from the Perspective of the Saddlepoint Approximation

Journal of Mathematics, 2023
Many statisticians resort to using the asymptotic normal approximation method to carry out statistical inference for many statistical tests, especially nonparametric ones.
Abd El-Raheem M. Abd El-Raheem, Mona Hosny, Ehab F. Abd-Elfattah   +2 more
doaj   +2 more sources

Efficient and accurate framework for genome-wide gene-environment interaction analysis in large-scale biobanks [PDF]

Nature Communications
Gene-environment interaction (G×E) analysis elucidates the interplay between genetic and environmental factors. Genome-wide association studies (GWAS) have expanded to encompass complex traits like time-to-event and ordinal traits, which provide richer ...
Yuzhuo Ma, Yanlong Zhao, Ji-Feng Zhang, Wenjian Bi   +3 more
doaj   +2 more sources

SPAmix: a scalable, accurate, and universal analysis framework for large-scale genetic association studies in admixed populations [PDF]

Genome Biology
Background Inclusion of individuals with diverse or admixed genetic ancestries is crucial to discover novel findings that may be missed by genomics analyses rooted solely in European population.
Yuzhuo Ma, He Xu, Ying Li, Hyesung Kim, Lin-lin Xu, Lin Miao, Peng Xu, Fengbiao Mao, Xu-jie Zhou, Wei Zhou, Seunggeun Lee, Ji-Feng Zhang, Peipei Zhang, Wenjian Bi   +13 more
doaj   +2 more sources

Reliabilities for feedback systems and their saddlepoint approximation

Statistical Science, 2000
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ronald W Butler
exaly   +3 more sources

Computation of the Distribution of the Sum of Independent Negative Binomial Random Variables

Mathematical and Computational Applications, 2023
The distribution of the sum of negative binomial random variables has a special role in insurance mathematics, actuarial sciences, and ecology. Two methods to estimate this distribution have been published: a finite-sum exact expression and a series ...
Marc Girondot, Jon Barry
doaj   +1 more source

Modified control variates method based on second-order saddle-point approximation for practical reliability analysis [PDF]

Mechanical Sciences, 2023
A novel method is presented for efficiently analyzing the reliability of engineering components and systems with highly nonlinear complex limit state functions.
X. En, X. En, Y. Zhang, X. Huang
doaj   +1 more source

Estimating $\overline{X}$ Statistical Control Limits for Any Arbitrary Probability Distribution Using Re-Expressed Truncated Cumulants

Mathematics, 2022
Shewhart X¯ control charts commonly used for monitoring the mean of a process may be inaccurate or perform poorly when the subgroup size is small or the distribution of the process variable is skewed.
Paul Braden, Timothy Matis, James C. Benneyan, Binchao Chen   +3 more
doaj   +1 more source

Saddlepoint approximations as smoothers [PDF]

Biometrika, 2002
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Davison, A. C., Wang, Suojin
openaire   +1 more source

A Saddlepoint Approximation to a Distribution-Free Test for Stochastic Ordering in the Competing Risks Model

Revstat Statistical Journal, 2009
The approximation for the distribution function of a test statistic is extremely important in statistics. A distribution-free test for stochastic ordering in the competing risks model has been proposed by Bagai et al. (1989).
Hidetoshi Murakami
doaj   +1 more source

ON BEHAVIOR OF THE SADDLEPOINT IN THE SADDLEPOINT APPROXIMATIONS [PDF]

Bulletin of informatics and cybernetics, 1999
Summary: In this paper we examine the behavior of the saddlepoint in the saddlepoint approximations for the \(M\)-estimators of location. The results of the study are useful when applying a numerical method to solve an equation with respect to the saddlepoint and when considering the approximations from a theoretical point of view.
openaire   +2 more sources