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Exact MLE for generalized linear mixed models (GLMMs) is a long-standing problem unsolved until today. The proposed research solves the problem. In this problem, the main difficulty is caused by intractable integrals in the likelihood…

统计方法学 · 统计学 2024-10-14 Tonglin Zhang

This work studies the properties of the maximum likelihood estimator (MLE) of a non-linear model with Gaussian errors and multidimensional parameter. The observations are collected in a two-stage experimental design and are dependent since…

统计理论 · 数学 2019-11-01 Nancy Flournoy , Caterina May , Chiara Tommasi

Sampling-based Model Predictive Control (MPC) is a flexible control framework that can reason about non-smooth dynamics and cost functions. Recently, significant work has focused on the use of machine learning to improve the performance of…

机器人学 · 计算机科学 2022-12-07 Jacob Sacks , Byron Boots

To provide a foundation for the research of deep learning models, the construction of model pool is an essential step. This paper proposes a Training-Free and Efficient Model Generation and Enhancement Scheme (MGE). This scheme primarily…

计算机视觉与模式识别 · 计算机科学 2024-02-28 Xuan Wang , Zeshan Pang , Yuliang Lu , Xuehu Yan

Deployment of machine learning (ML) algorithms in production for extended periods of time has uncovered new challenges such as monitoring and management of real-time prediction quality of a model in the absence of labels. However, such…

The inherent bias pathology of the maximum likelihood (ML) estimation method is confirmed for models with unknown parameters $\theta$ and $\psi$ when MLE $\hat \psi$ is function of MLE $\hat \theta.$ To reduce $\hat \psi$'s bias the…

统计理论 · 数学 2014-09-11 Yannis G. Yatracos

Non-linear mixed effects modeling and simulation (NLME M&S) is evaluated to be used for standardization with longitudinal data in presence of confounders. Standardization is a well-known method in causal inference to correct for confounding…

统计方法学 · 统计学 2024-05-01 Christian Bartels , Martina Scauda , Neva Coello , Thomas Dumortier , Bjoern Bornkamp , Giusi Moffa

Idealized first-principles models of chemical plants can be inaccurate. An alternative is to fit a Machine Learning (ML) model directly to plant sensor data. We use a structured approach: Each unit within the plant gets represented by one…

机器学习 · 计算机科学 2024-01-12 Malte Esders , Gimmy Alex Fernandez Ramirez , Michael Gastegger , Satya Swarup Samal

Large Language Models (LLMs) are regularly updated to enhance performance, typically through changes in data or architecture. Within the update process, developers often prioritize improving overall performance metrics, paying less…

Current pre-trained language models (PLM) are typically trained with static data, ignoring that in real-world scenarios, streaming data of various sources may continuously grow. This requires PLMs to integrate the information from all the…

计算与语言 · 计算机科学 2022-07-12 Yujia Qin , Jiajie Zhang , Yankai Lin , Zhiyuan Liu , Peng Li , Maosong Sun , Jie Zhou

This paper proposes a new method to provide the exponential convergence of both the parameter and tracking errors of the composite adaptive control system without the persistent excitation (PE) requirement. Instead, the derived composite…

系统与控制 · 电气工程与系统科学 2022-10-11 Anton Glushchenko , Vladislav Petrov , Konstantin Lastochkin

Business process management (BPM) has been widely used to discover, model, analyze, and optimize organizational processes. BPM looks at these processes with analysis techniques that assume a clearly defined start and end. However, not all…

数据库 · 计算机科学 2024-07-26 Stephan A. Fahrenkrog-Petersen , Saimir Bala , Luise Pufahl , Jan Mendling

Mechanistic growth models play a major role in bioprocess engineering, design, and control. Their reasonable predictive power and their high level of interpretability make them an essential tool for computer aided engineering methods.…

定量方法 · 定量生物学 2023-12-07 Judit Aizpuru , Maxim Borisyak , Peter Neubauer , M. Nicolas Cruz Bournazou

In recent years, many industries have utilized machine learning (ML) models in their systems. Ideally, ML models should be trained on and applied to data from the same distributions. However, the data evolves over time in many application…

软件工程 · 计算机科学 2025-05-21 Forough Majidi , Foutse Khomh , Heng Li , Amin Nikanjam

Design of process control scheme is critical for quality assurance to reduce variations in manufacturing systems. Taking semiconductor manufacturing as an example, extensive literature focuses on control optimization based on certain…

机器学习 · 计算机科学 2023-09-19 Yanrong Li , Juan Du , Wei Jiang

Regularization is a technique to improve generalization of machine learning (ML) models. A common form of regularization in the ML literature is to train on data where similar inputs map to different outputs. This improves generalization by…

In clinical practice, decision-making relies heavily on established protocols, often formalised as rules. Concurrently, Machine Learning (ML) models, trained on clinical data, aspire to integrate into medical decision-making processes.…

人工智能 · 计算机科学 2024-11-06 Christel Sirocchi , Muhammad Suffian , Federico Sabbatini , Alessandro Bogliolo , Sara Montagna

This article investigates synthetic model-predictive control (MPC) problems to demonstrate that an increased precision of the internal prediction model (PM) automatially entails an improvement of the controller as a whole. In contrast to…

机器学习 · 计算机科学 2023-08-30 L. Féret , A. Gepperth , S. Lambeck

Within Process mining, discovery techniques had made it possible to construct business process models automatically from event logs. However, results often do not achieve the balance between model complexity and its fitting accuracy, so…

Machine learning models may involve decision boundaries that change over time due to updates to rules and regulations, such as in loan approvals or claims management. However, in such scenarios, it may take time for sufficient training data…

机器学习 · 计算机科学 2022-01-10 Öznur Alkan , Dennis Wei , Massimiliano Mattetti , Rahul Nair , Elizabeth M. Daly , Diptikalyan Saha