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Marginal maximum likelihood (MML) estimation is the preferred approach to fitting item response theory models in psychometrics due to the MML estimator's consistency, normality, and efficiency as the sample size tends to infinity. However,…

统计方法学 · 统计学 2025-01-08 Christopher J. Urban , Daniel J. Bauer

The Mutual Information (MI) is an often used measure of dependency between two random variables utilized in information theory, statistics and machine learning. Recently several MI estimators have been proposed that can achieve parametric…

信息论 · 计算机科学 2018-11-26 Morteza Noshad , Yu Zeng , Alfred O. Hero

Although deep learning models have driven state-of-the-art performance on a wide array of tasks, they are prone to spurious correlations that should not be learned as predictive clues. To mitigate this problem, we propose a causality-based…

机器学习 · 计算机科学 2021-10-27 Xinyi Wang , Wenhu Chen , Michael Saxon , William Yang Wang

Combining discrete probability distributions and combinatorial optimization problems with neural network components has numerous applications but poses several challenges. We propose Implicit Maximum Likelihood Estimation (I-MLE), a…

机器学习 · 计算机科学 2021-10-28 Mathias Niepert , Pasquale Minervini , Luca Franceschi

In situations where the solution of a high-fidelity dynamical system needs to be evaluated repeatedly, over a vast pool of parametric configurations and in absence of access to the underlying governing equations, data-driven model reduction…

数值分析 · 数学 2025-06-27 Harshit Kapadia , Peter Benner , Lihong Feng

Measuring Mutual Information (MI) between high-dimensional, continuous, random variables from observed samples has wide theoretical and practical applications. Recent work, MINE (Belghazi et al. 2018), focused on estimating tight…

机器学习 · 计算机科学 2019-05-28 Xiao Lin , Indranil Sur , Samuel A. Nastase , Ajay Divakaran , Uri Hasson , Mohamed R. Amer

This paper develops a unified estimation framework, the Maximum Ideal Likelihood Estimation (MILE), for general parametric models with latent variables. Unlike traditional approaches relying on the marginal likelihood of the observed data,…

统计理论 · 数学 2025-10-08 Yizhou Cai , Ting Fung Ma

We study a linear threshold agent-based model (ABM) for the spread of political revolutions on social networks using empirical network data. We propose new techniques for building a hierarchy of simplified ordinary differential equation…

物理与社会 · 物理学 2021-03-22 John C. Lang , Hans De Sterck

Transferability estimation identifies the best pre-trained models for downstream tasks without incurring the high computational cost of full fine-tuning. This capability facilitates deployment and advances the pre-training and fine-tuning…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Yaoyan Zheng , Huiqun Wang , Nan Zhou , Di Huang

This study uses controlled simulations with known ground-truth parameters to evaluate how Distributional Latent Variable Models (DLVM) and Bayesian Distributional Active LEarning (DALE) perform in comparison to conventional Independent…

Sufficient dimension reduction reduces the dimensionality of data while preserving relevant regression information. In this article, we develop Minimum Average Deviance Estimation (MADE) methodology for sufficient dimension reduction. It…

统计方法学 · 统计学 2024-01-19 Kofi P. Adragni , Andrew M. Raim , Elias Al-Najjar

Consider a set of agents that wish to estimate a vector of parameters of their mutual interest. For this estimation goal, agents can sense and communicate. When sensing, an agent measures (in additive gaussian noise) linear combinations of…

系统与控制 · 计算机科学 2019-03-27 António Simões , João Xavier

Locational marginal emissions rates (LMEs) estimate the rate of change in emissions due to a small change in demand in a transmission network, and are an important metric for assessing the impact of various energy policies or interventions.…

系统与控制 · 电气工程与系统科学 2023-03-10 Lucas Fuentes Valenzuela , Anthony Degleris , Abbas El Gamal , Marco Pavone , Ram Rajagopal

Deep Neural Networks (DNNs) have achieved remarkable success in a variety of tasks, especially when it comes to prediction accuracy. However, in complex real-world scenarios, particularly in safety-critical applications, high accuracy alone…

人工智能 · 计算机科学 2024-05-31 Han Liu , Peng Cui , Bingning Wang , Jun Zhu , Xiaolin Hu

Human mobility prediction is a critical task but remains challenging due to its complexity and variability across populations and regions. Recently, large language models (LLMs) have made progress in zero-shot prediction, but existing…

多智能体系统 · 计算机科学 2026-04-21 Chuyue Wang , Jie Feng , Yuxi Wu , Shenglin Yi , Hang Zhang

The stochastic motions of a diffusing particle contain information concerning the particle's interactions with binding partners and with its local environment. However, accurate determination of the underlying diffusive properties, beyond…

生物物理 · 物理学 2016-12-21 Peter K. Koo , Simon G. J. Mochrie

We consider the system identification problem of estimating a dynamical parameter of a Markovian quantum open system (the atom maser), by performing continuous time measurements in the system's output (outgoing atoms). Two estimation…

量子物理 · 物理学 2015-06-17 Catalin Catana , Theodore Kypraios , Madalin Guta

As a potential alternative for implementing the large number of multiplications in convolutional neural networks (CNNs), approximate multipliers (AMs) promise both high hardware efficiency and accuracy. However, the characterization of…

硬件体系结构 · 计算机科学 2024-08-26 Ao Liu , Jie Han , Qin Wang , Zhigang Mao , Honglan Jiang

Self-Organising Maps (SOM) are Artificial Neural Networks used in Pattern Recognition tasks. Their major advantage over other architectures is human readability of a model. However, they often gain poorer accuracy. Mostly used metric in SOM…

机器学习 · 计算机科学 2014-07-07 Piotr Płoński , Krzysztof Zaremba

Generative policies based on diffusion and flow matching achieve strong performance in robotic manipulation by modeling multi-modal human demonstrations. However, their reliance on iterative Ordinary Differential Equation (ODE) integration…