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Randomized algorithms are used in many state-of-the-art solvers for constraint satisfaction problems (CSP) and Boolean satisfiability (SAT) problems. For many of these problems, there is no single solver which will dominate others. Having…

机器学习 · 计算机科学 2021-06-25 Jake Tuero , Michael Buro

Diffusion models have emerged as a robust framework for various generative tasks, including tabular data synthesis. However, current tabular diffusion models tend to inherit bias in the training dataset and generate biased synthetic data,…

机器学习 · 计算机科学 2025-03-05 Zeyu Yang , Han Yu , Peikun Guo , Khadija Zanna , Xiaoxue Yang , Akane Sano

Marshall-Olkin Extended Burr XII (MOEBXII) distribution family, which is a generalization of Burr XII distribution proposed by Al-Saiari et al. [1] , is a flexible distribution that can be used in many fields such as actuarial science,…

统计方法学 · 统计学 2018-04-24 Yeşim Güney , Şenay Özdemir , Yetkin Tuaç , Olcay Arslan

In this paper, we introduce a new distribution called Burr III-Weibull(BW) distribution using the concept of competing risk. We derive moments, conditional moments, mean deviation and quantiles of the proposed distribution. Also the Renyi's…

统计理论 · 数学 2021-03-08 G S Deepthy , Nicy Sebastian , Reshma Rison

Dirichlet process mixture model (DPMM) is a popular Bayesian nonparametric model. In this paper, we apply this model to weighted data and then estimate the un-weighted distribution from the corresponding weighted distribution using the…

统计计算 · 统计学 2018-12-12 Soghra Bohlourihajjar , Soleiman Khazaei

In this paper we introduce objective proper prior distributions for hypothesis testing and model selection based on measures of divergence between the competing models; we call them divergence based (DB) priors. DB priors have simple forms…

统计方法学 · 统计学 2009-02-27 M. J. Bayarri , G. García-Donato

We introduce a novel generative model, the Discrete Distribution Networks (DDN), that approximates data distribution using hierarchical discrete distributions. We posit that since the features within a network inherently capture…

计算机视觉与模式识别 · 计算机科学 2025-04-17 Lei Yang

Deep Learning (DL) methods have been transforming computer vision with innovative adaptations to other domains including climate change. For DL to pervade Science and Engineering (S&E) applications where risk management is a core component,…

机器学习 · 计算机科学 2018-05-25 Thomas Vandal , Evan Kodra , Jennifer Dy , Sangram Ganguly , Ramakrishna Nemani , Auroop R. Ganguly

While distributional reinforcement learning (DistRL) has been empirically effective, the question of when and why it is better than vanilla, non-distributional RL has remained unanswered. This paper explains the benefits of DistRL through…

机器学习 · 计算机科学 2023-09-26 Kaiwen Wang , Kevin Zhou , Runzhe Wu , Nathan Kallus , Wen Sun

We propose a general method for distributed Bayesian model choice, using the marginal likelihood, where a data set is split in non-overlapping subsets. These subsets are only accessed locally by individual workers and no data is shared…

统计计算 · 统计学 2022-10-18 Alexander Buchholz , Daniel Ahfock , Sylvia Richardson

In this paper the regression discontinuity design is adapted to the survival analysis setting with right-censored data, studied in an intensity based counting process framework. In particular, a local polynomial regression version of the…

统计方法学 · 统计学 2022-10-07 Emil Aas Stoltenberg

In this paper a new decision theoretic sampling plan (DSP) is proposed for Type-I censored exponential distribution. The proposed DSP is based on a new estimator of the expected lifetime of an exponential distribution which always exists,…

统计理论 · 数学 2018-06-18 Deepak Prajapati , Sharmistha Mitra , Debasis Kundu

The distributed Hill estimator is a divide-and-conquer algorithm for estimating the extreme value index when data are stored in multiple machines. In applications, estimates based on the distributed Hill estimator can be sensitive to the…

统计方法学 · 统计学 2021-12-21 Liujun Chen , Deyuan Li , Chen Zhou

Finite mixture models have been widely used to model and analyze data from a heterogeneous populations. Moreover, data of this kind can be missing or subject to some upper and/or lower detection limits because of the restriction of…

This report is designed to clarify a few points about the article "Semiparametric modeling of grouped current duration data with preferential reporting" by McLain, Sundaram, Thoma and Louis in Statistics in Medicine (McLain et al., 2014,…

应用统计 · 统计学 2018-01-03 Alexander C. McLain , Rajeshwari Sundaram , Marie Thoma , Germaine M. Buck Louis

This paper addresses the problem of estimating, in the presence of random censoring as well as competing risks, the extreme value index of the (sub)-distribution function associated to one particular cause, in the heavy-tail case.…

统计理论 · 数学 2017-01-20 Julien Worms , Rym Worms

In multicenter research, individual-level data are often protected against sharing across sites. To overcome the barrier of data sharing, many distributed algorithms, which only require sharing aggregated information, have been developed.…

统计方法学 · 统计学 2021-03-25 Rui Duan , Yang Ning , Yong Chen

Data discretization, also known as binning, is a frequently used technique in computer science, statistics, and their applications to biological data analysis. We present a new method for the discretization of real-valued data into a finite…

其他定量生物学 · 定量生物学 2007-05-23 Elena S. Dimitrova , John J. McGee , Reinhard C. Laubenbacher

In this paper we study bayesian analysis of Modified Weibull distribution under progressively censored competing risk model. This study is made for progressively censored data. We use deterministic scan Gibbs sampling combined with slice…

统计计算 · 统计学 2016-05-24 Arabin Kumar Dey , Abhilash Jha , Sanku Dey

The Weibull distribution is one of the most used tools in reliability analysis. In this paper, assuming a Bayesian approach, we propose necessary and sufficient conditions to verify when improper priors lead to proper posteriors for the…

统计理论 · 数学 2020-05-19 Eduardo Ramos , Pedro L. Ramos