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Aleatoric uncertainty quantification seeks for distributional knowledge of random responses, which is important for reliability analysis and robustness improvement in machine learning applications. Previous research on aleatoric uncertainty…

机器学习 · 计算机科学 2022-06-10 Ziyi Huang , Henry Lam , Haofeng Zhang

We use a model whose rules were inspired by population genetics, the random capability growth model, to describe the statistical details observed in experiments of fragmentation of brittle platelike objects, and in particular the existence…

统计力学 · 物理学 2016-12-21 M. A. F. Gomes , Viviane M. de Oliveira

One of the key concepts in testing is that of adequate test sets. A test selection criterion decides which test sets are adequate. In this paper, a language schema for specifying a large class of test selection criteria is developed; the…

软件工程 · 计算机科学 2016-08-31 Jan Pachl , Shmuel Zaks

Under the potential outcomes framework, we introduce matched-pair factorial designs, and propose the matched-pair estimator of the factorial effects. We also calculate the randomization-based covariance matrix of the matched-pair estimator,…

统计方法学 · 统计学 2017-02-06 Jiannan Lu , Alex Deng

Probabilistic model checking can provide formal guarantees on the behavior of stochastic models relating to a wide range of quantitative properties, such as runtime, energy consumption or cost. But decision making is typically with respect…

计算机科学中的逻辑 · 计算机科学 2024-03-19 Ingy Elsayed-Aly , David Parker , Lu Feng

Factor analysis is a flexible technique for assessment of multivariate dependence and codependence. Besides being an exploratory tool used to reduce the dimensionality of multivariate data, it allows estimation of common factors that often…

统计方法学 · 统计学 2020-02-19 Kelly C. M. Gonçalves , Afonso C. B. Silva

This paper introduces factored conditional filters, new filtering algorithms for simultaneously tracking states and estimating parameters in high-dimensional state spaces. The conditional nature of the algorithms is used to estimate…

人工智能 · 计算机科学 2024-07-10 Dawei Chen , Samuel Yang-Zhao , John Lloyd , Kee Siong Ng

This paper deals with fractional differential equations, with dependence on a Caputo fractional derivative of real order. The goal is to show, based on concrete examples and experimental data from several experiments, that fractional…

综合数学 · 数学 2016-11-03 Ricardo Almeida , Nuno R. O. Bastos , M. Teresa T. Monteiro

A supersaturated design is a design whose run size is not large enough for estimating all the main effects. The goodness of multi-level supersaturated designs can be judged by the generalized minimum aberration criterion proposed by Xu and…

统计理论 · 数学 2007-06-13 Hongquan Xu , C. F. J. Wu

This paper develops an inferential theory for high-dimensional matrix-variate factor models with missing observations. We propose an easy-to-use all-purpose method that involves two straightforward steps. First, we perform principal…

统计方法学 · 统计学 2025-03-26 Yongxia Zhang , Jinwen Liang , Liwen Xu , Keming Yu , Maozai Tian

Fractional cumulative residual inaccuracy (FCRI) measure allows to determine regions of discrepancy between systems, depending on their respective fractional and chaotic map parameters. Most of the theoretical results and applications…

应用统计 · 统计学 2025-11-25 Iona Ann Sebastian , S. M. Sunoj

We study the restricted isometry property of a matrix that is built from the discrete Fourier transform matrix by collecting rows indexed by quadratic residues. We find an $\epsilon>0$ such that, conditioned on a folklore conjecture in…

泛函分析 · 数学 2014-10-24 Afonso S. Bandeira , Dustin G. Mixon , Joel Moreira

Recently, we have proposed a new diffusive representation for fractional derivatives and, based on this representation, suggested an algorithm for their numerical computation. From the construction of the algorithm, it is immediately…

数值分析 · 数学 2022-04-12 Kai Diethelm

Factor analysis is a widely used statistical tool in many scientific disciplines, such as psychology, economics, and sociology. As observations linked by networks become increasingly common, incorporating network structures into factor…

统计方法学 · 统计学 2024-03-27 Jinming Li , Gongjun Xu , Ji Zhu

Expectation propagation is a general approach to fast approximate inference for graphical models. The existing literature treats models separately when it comes to deriving and coding expectation propagation inference algorithms. This comes…

统计方法学 · 统计学 2018-01-17 Wilson Y. Chen , Matt P. Wand

Fractional moments have been investigated by many authors to represent the density of univariate and bivariate random variables in different contexts. Fractional moments are indeed important when the density of the random variable has…

统计力学 · 物理学 2009-11-18 Giulio Cottone , Mario Di Paola , Ralf Metzler

The causal assumptions, the study design and the data are the elements required for scientific inference in empirical research. The research is adequately communicated only if all of these elements and their relations are described…

统计方法学 · 统计学 2015-05-01 Juha Karvanen

We consider the factorization problem in toy models of holography, in SYK and in Matrix Models. In a theory with fixed couplings, we introduce a fictitious ensemble averaging by inserting a projector onto fixed couplings. We compute the…

高能物理 - 理论 · 物理学 2023-03-28 Baur Mukhametzhanov

This paper is about models for a vector of probabilities whose elements must have a multiplicative structure and sum to 1 at the same time; in certain applications, as basket analysis, these models may be seen as a constrained version of…

统计理论 · 数学 2018-04-17 Antonio Forcina

We propose a new method for simulating QCD at finite density. The method is based on a general factorization property of distribution functions of observables, and it is therefore applicable to any system with a complex action. The…

高能物理 - 格点 · 物理学 2017-08-23 Jun Nishimura