Results 31 to 40 of about 706 (230)

Characterizations of the distribution of the Demmel condition number of real Wishart matrices

open access: yesSpecial Matrices, 2016
The Demmel condition number is an indicator of the matrix condition, and its properties have recently found applications in many practical problems, such as in MIMO communication systems, in the analytical prediction of level-crossing and fade duration ...
Shakil M., Ahsanullah M.
doaj   +1 more source

A Comparison of Different Statistics for Detecting Multiplicative Faults in Multivariate Statistics-Based Fault Detection Approaches

open access: yesIEEE Access, 2018
The explosion of different fault detection (FD) statistics in multivariate statistics-based FD approaches has meant that the practitioner is faced with the unenviable job of determining which to use in a given circumstance.
Kai Zhang   +2 more
doaj   +1 more source

Joint distributions of statistics over permutations avoiding two patterns of length 3 [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science
Finding distributions of permutation statistics over pattern-avoiding classes of permutations attracted much attention in the literature. In particular, Bukata et al.
Tian Han, Sergey Kitaev
doaj   +1 more source

Mixed Land Use as an Intrinsic Feature of Sprawl: A Short-Term Analysis of Settlement Growth and Population Distribution Using European Urban Atlas

open access: yesLand, 2023
This study investigates the land-use/population mix over time as the base to derive an indicator of urban sprawl. Land-use individual patches (provided by Urban Atlas, hereafter UA, with a detailed spatial geometry at 1:10,000 scale) were associated with
Alessia D’Agata   +4 more
doaj   +1 more source

Exact Permutation and Bootstrap Distribution of Generalized Pairwise Comparisons Statistics

open access: yesMathematics, 2023
To analyze multivariate outcomes in clinical trials, several authors have suggested generalizations of the univariate Mann–Whitney test. As the Mann–Whitney statistic compares the subjects’ outcome pairwise, the multivariate generalizations are known as ...
William N. Anderson, Johan Verbeeck
doaj   +1 more source

Parameter Estimation of the Dirichlet Distribution Based on Entropy

open access: yesAxioms, 2023
The Dirichlet distribution as a multivariate generalization of the beta distribution is especially important for modeling categorical distributions. Hence, its applications vary within a wide range from modeling cell probabilities of contingency tables ...
Büşra Şahin   +4 more
doaj   +1 more source

Compositional and multivariate statistical analyses for grain-size characterisation of intertidal sedimentary facies in an estuarine environment

open access: yesGeology, Ecology, and Landscapes, 2020
This study presents the characterisation of grain size dynamics within an estuarine environment through statistical summarisation of grain size distribution and multivariate statistics.
Temitope D. Timothy Oyedotun
doaj   +1 more source

Some inferences on the distribution of the Demmel condition number of complex Wishart matrices

open access: yesSpecial Matrices, 2017
In recent years, many researchers have studied the distributions of the Demmel (or the scaled) condition numbers (DCN) of complex Wishart matrices. In this paper, several new distributional properties of the distribution of the Demmel condition number of
Shakil M., Ahsanullah M.
doaj   +1 more source

Statistical Inference for a New Class of Multivariate Pareto Distributions [PDF]

open access: yesCommunications in Statistics - Simulation and Computation, 2015
Various solutions to the parameter estimation problem of a recently introduced multivariate Pareto distribution are developed and exemplified numerically. Namely, a density of the aforementioned multivariate Pareto distribution with respect to a dominating measure, rather than the corresponding Lebesgue measure, is specified and then employed to ...
Asimit, A.V., Furman, E., Vernic, R.
openaire   +2 more sources

Home - About - Disclaimer - Privacy