Results 1 to 10 of about 113,368 (290)

Beta Kernel Estimator for a Cumulative Distribution Function with Bounded Support [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2023
Kernel estimation of the cumulative distribution function (CDF), when the support of the data is bounded, suffers from bias at the boundaries. To solve this problem, we introduce a new estimator for the CDF with support (0,1) based on the beta kernel ...
Behzad Mansouri   +2 more
doaj   +2 more sources

A new family of kernels from the beta polynomial kernels with applications in density estimation

open access: yesIJAIN (International Journal of Advances in Intelligent Informatics), 2020
One of the fundamental data analytics tools in statistical estimation is the non-parametric kernel method that involves probability estimates production.
Israel Uzuazor Siloko   +2 more
doaj   +3 more sources

On the fourth-order hybrid beta polynomial kernels in kernel density estimation

open access: yesJournal of Nigerian Society of Physical Sciences
This paper introduces a novel family of fourth-order hybrid beta polynomial kernels tailored for statistical analysis. The efficacy of these kernels is evaluated using two principal performance metrics: asymptotic mean integrated squared error (AMISE ...
Benson Ade Eniola Afere
doaj   +2 more sources

Comparative analysis of neutralization assays performed using live SARS-CoV-2 virus and pseudovirus to assess immunogenicity of a bivalent SARS-CoV-2 protein vaccine in humans [PDF]

open access: yesFrontiers in Immunology
ObjectivesThe rapid emergence of SARS-CoV-2 prompted accelerated vaccine development, with neutralization assays serving as essential tools to evaluate vaccine-induced immune responses.MethodsA post-hoc analysis of a Phase I/II trial evaluated the ...
Cuige Gao   +10 more
doaj   +2 more sources

Curve fitting of the corporate recovery rates: the comparison of Beta distribution estimation and kernel density estimation. [PDF]

open access: yesPLoS ONE, 2013
Recovery rate is essential to the estimation of the portfolio's loss and economic capital. Neglecting the randomness of the distribution of recovery rate may underestimate the risk.
Rongda Chen, Ze Wang
doaj   +1 more source

On the convergence rate of d-dimensional fourth-order beta polynomial kernels

open access: yesRecent Advances in Natural Sciences, 2023
This article focuses on formulating the Asymptotic Mean Integrated Squared Error (AMISE) scheme for d-dimensional fourth-order beta polynomial kernels in the context of kernel density estimation.
Benson Ade Eniola Afere
doaj   +1 more source

Integration of Multivariate Beta-based Hidden Markov Models and Support Vector Machines with Medical Applications

open access: yesProceedings of the International Florida Artificial Intelligence Research Society Conference, 2022
In this paper, we propose a novel hybrid discriminative generative model by integrating a modified version of hidden Markov model (HMM), multivariate Beta-based HMM with support vector machine (SVM). We apply Fisher Kernel to define decision boundary and
Narges Manouchehri, Nizar Bouguila
doaj   +1 more source

A New Kernel Estimator of Copulas Based on Beta Quantile Transformations

open access: yesMathematics, 2021
A copula is a multivariate cumulative distribution function with marginal distributions Uniform(0,1). For this reason, a classical kernel estimator does not work and this estimator needs to be corrected at boundaries, which increases the difficulty of ...
Catalina Bolancé, Carlos Alberto Acuña
doaj   +1 more source

A machine learning-based model for a dose point kernel calculation

open access: yesEJNMMI Physics, 2023
Purpose Absorbed dose calculation by kernel convolution requires the prior determination of dose point kernels (DPK). This study reports on the design, implementation, and test of a multi-target regressor approach to generate the DPKs for monoenergetic ...
Ignacio Scarinci   +2 more
doaj   +1 more source

A Hardy–Hilbert-type integral inequality involving two multiple upper-limit functions

open access: yesJournal of Inequalities and Applications, 2023
By means of the weight functions, the idea of introducing parameters and the technique of real analysis, a new Hardy–Hilbert-type integral inequality with the homogeneous kernel 1 ( x + y ) λ ( λ > 0 ) $\frac{1}{(x + y)^{\lambda}}\ (\lambda > 0 ...
Ricai Luo, Bicheng Yang, Leping He
doaj   +1 more source

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