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相关论文: StepMix: A Python Package for Pseudo-Likelihood Es…

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We present a universal framework for constructing confidence sets based on sequential likelihood mixing. Building upon classical results from sequential analysis, we provide a unifying perspective on several recent lines of work, and…

机器学习 · 统计学 2025-02-21 Johannes Kirschner , Andreas Krause , Michele Meziu , Mojmir Mutny

We present FastFit, a method, and a Python package design to provide fast and accurate few-shot classification, especially for scenarios with many semantically similar classes. FastFit utilizes a novel approach integrating batch contrastive…

计算与语言 · 计算机科学 2024-04-19 Asaf Yehudai , Elron Bendel

We introduce the R package nlpsem, a comprehensive toolkit for analyzing longitudinal processes within the structural equation modeling (SEM) framework, incorporating individual measurement occasions. This package emphasizes nonlinear…

统计方法学 · 统计学 2025-12-02 Jin Liu

We present dynesty, a public, open-source, Python package to estimate Bayesian posteriors and evidences (marginal likelihoods) using Dynamic Nested Sampling. By adaptively allocating samples based on posterior structure, Dynamic Nested…

天体物理仪器与方法 · 物理学 2020-02-12 Joshua S Speagle

In many statistical problems, a more coarse-grained model may be suitable for population-level behaviour, whereas a more detailed model is appropriate for accurate modelling of individual behaviour. This raises the question of how to…

机器学习 · 统计学 2015-11-02 Mingjun Zhong , Nigel Goddard , Charles Sutton

In computational mechanics, multiple models are often present to describe a physical system. While Bayesian model selection is a helpful tool to compare these models using measurement data, it requires the computationally expensive…

统计计算 · 统计学 2025-04-14 Subhayan De , Reza Farzad , Patrick T. Brewick , Erik A. Johnson , Steven F. Wojtkiewicz

Mixture models are a fundamental tool in applied statistics and machine learning for treating data taken from multiple subpopulations. The current practice for estimating the parameters of such models relies on local search heuristics…

机器学习 · 计算机科学 2012-09-07 Animashree Anandkumar , Daniel Hsu , Sham M. Kakade

Particle MCMC involves using a particle filter within an MCMC algorithm. For inference of a model which involves an unobserved stochastic process, the standard implementation uses the particle filter to propose new values for the stochastic…

统计计算 · 统计学 2016-09-26 Paul Fearnhead , Loukia Meligkotsidou

We propose a one-step procedure to estimate the latent positions in random dot product graphs efficiently. Unlike the classical spectral-based methods such as the adjacency and Laplacian spectral embedding, the proposed one-step procedure…

统计理论 · 数学 2020-11-16 Fangzheng Xie , Yanxun Xu

Real-world data often exhibits sequential dependence, across diverse domains such as human behavior, medicine, finance, and climate modeling. Probabilistic methods capture the inherent uncertainty associated with prediction in these…

机器学习 · 统计学 2024-03-08 Alex Boyd

In the context of continual learning, acquiring new knowledge while maintaining previous knowledge presents a significant challenge. Existing methods often use experience replay techniques that store a small portion of previous task data…

机器学习 · 计算机科学 2025-12-24 Minsu Kim , Seong-Hyeon Hwang , Steven Euijong Whang

Deep learning models have demonstrated remarkable performance across various computer vision tasks, yet their vulnerability to distribution shifts remains a critical challenge. Despite sophisticated neural network architectures, existing…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Hafiz Mughees Ahmad , Dario Morle , Afshin Rahimi

We propose the use of probability models for ranked data as a useful alternative to a quantitative data analysis to investigate the outcome of bioassay experiments, when the preliminary choice of an appropriate normalization method for the…

统计方法学 · 统计学 2014-01-08 Cristina Mollica , Luca Tardella

A default assumption in many machine learning scenarios is that the training and test samples are drawn from the same probability distribution. However, such an assumption is often violated in the real world due to non-stationarity of the…

机器学习 · 计算机科学 2021-05-04 Tianyi Zhang , Ikko Yamane , Nan Lu , Masashi Sugiyama

Poisson-distributed latent variable models are widely used in computational neuroscience, but differentiating through discrete stochastic samples remains challenging. Two approaches address this: Exponential Arrival Time (EAT) simulation…

机器学习 · 统计学 2026-02-05 Michael Ibrahim , Hanqi Zhao , Eli Sennesh , Zhi Li , Anqi Wu , Jacob L. Yates , Chengrui Li , Hadi Vafaii

Researchers continue to be interested in exploring the effects that covariates have on the heterogeneity in trajectories. The inclusion of covariates associated with latent classes allows for a more clear understanding of individual…

统计方法学 · 统计学 2022-05-10 Jin Liu , Robert A. Perera

The latent block model is used to simultaneously rank the rows and columns of a matrix to reveal a block structure. The algorithms used for estimation are often time consuming. However, recent work shows that the log-likelihood ratios are…

统计理论 · 数学 2023-03-10 Vincent Brault , Antoine Channarond

Retrosynthesis is the task of breaking down a chemical compound recursively step-by-step into molecular precursors until a set of commercially available molecules is found. Consequently, the goal is to provide a valid synthesis route for a…

Generation and analysis of time-series data is relevant to many quantitative fields ranging from economics to fluid mechanics. In the physical sciences, structures such as metastable and coherent sets, slow relaxation processes, collective…

Complex biological processes are usually experimented along time among a collection of individuals. Longitudinal data are then available and the statistical challenge is to better understand the underlying biological mechanisms. The…

统计理论 · 数学 2015-06-11 Pierre Barbillon , Célia Barthélémy , Adeline Samson