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In Diffusion Probabilistic Models (DPMs), the task of modeling the score evolution via a single time-dependent neural network necessitates extended training periods and may potentially impede modeling flexibility and capacity. To counteract…

机器学习 · 计算机科学 2023-06-06 Etrit Haxholli , Marco Lorenzi

Adaptive designs are commonly used in clinical and drug development studies for optimum utilization of available resources. In this article, we consider the problem of estimating the effect of the selected (better) treatment using a…

统计理论 · 数学 2023-01-24 Masihuddin , Neeraj Misra

This paper presents a new and efficient method for the construction of optimal designs for regression models with dependent error processes. In contrast to most of the work in this field, which starts with a model for a finite number of…

统计方法学 · 统计学 2015-11-06 Holger Dette , Maria Konstantinou , Anatoly Zhigljavsky

Complete reliance on the fitted model in response surface experiments is risky and relaxing this assumption, whether out of necessity or intentionally, requires an experimenter to account for multiple conflicting objectives. This work…

统计方法学 · 统计学 2023-06-16 Olga Egorova , Steven G. Gilmour

Subsampling is commonly used to overcome computational and economical bottlenecks in the analysis of finite populations and massive datasets. Existing methods are often limited in scope and use optimality criteria (e.g., A-optimality) with…

统计理论 · 数学 2023-04-07 Henrik Imberg , Marina Axelson-Fisk , Johan Jonasson

Large Reasoning Models (LRMs) increasingly rely on reasoning traces with complex internal structures. However, existing work lacks a unified answer to three fundamental questions: (1) what defines high-quality reasoning, (2) how to reliably…

计算与语言 · 计算机科学 2026-02-10 Haoran Zhang , Yafu Li , Zhi Wang , Zhilin Wang , Shunkai Zhang , Xiaoye Qu , Yu Cheng

We consider the problem of learning models for risk-sensitive reinforcement learning. We theoretically demonstrate that proper value equivalence, a method of learning models which can be used to plan optimally in the risk-neutral setting,…

机器学习 · 计算机科学 2023-12-05 Tyler Kastner , Murat A. Erdogdu , Amir-massoud Farahmand

With the recent success of generative models in image and text, the question of their evaluation has recently gained a lot of attention. While most methods from the state of the art rely on scalar metrics, the introduction of Precision and…

人工智能 · 计算机科学 2026-05-19 Benjamin Sykes , Loïc Simon , Julien Rabin , Jalal Fadili

Hierarchical random effect models are used for different purposes in clinical research and other areas. In general, the main focus is on population parameters related to the expected treatment effects or group differences among all units of…

应用统计 · 统计学 2021-04-07 Maryna Prus , Norbert Benda , Rainer Schwabe

Adaptive designs have been proposed for clinical trials in which the nuisance parameters or alternative of interest are unknown or likely to be misspecified before the trial. Whereas most previous works on adaptive designs and mid-course…

统计方法学 · 统计学 2011-05-18 Jay Bartroff , Tze Leung Lai

Diffusion large language models (dLLMs) have recently attracted significant attention for their ability to enhance diversity, controllability, and parallelism. However, their non-sequential, bidirectionally masked generation makes quality…

计算与语言 · 计算机科学 2026-03-04 Linhao Zhong , Linyu Wu , Wen Wang , Yuling Xi , Chenchen Jing , Jiaheng Zhang , Hao Chen , Chunhua Shen

This paper proposes a novel and statistical method of ability estimation based on acquisition distribution for a personalized computer aided question generation. This method captures the learning outcomes over time and provides a flexible…

人机交互 · 计算机科学 2018-08-30 Yi-Ting Huang , Meng Chang Chen , Yeali S. Sun

As evaluation designs of large language models may shape our trajectory toward artificial general intelligence, comprehensive and forward-looking assessment is essential. Existing benchmarks primarily assess static knowledge, while…

计算与语言 · 计算机科学 2025-08-07 Jiayin Wang , Zhiquang Guo , Weizhi Ma , Min Zhang

Generative design refers to computational design methods that can automatically conduct design exploration under constraints defined by designers. Among many approaches, topology optimization-based generative designs aim to explore diverse…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Seowoo Jang , Soyoung Yoo , Namwoo Kang

Adaptive designs are increasingly used in clinical trials and online experiments to improve participant outcomes by dynamically updating treatment allocation as data accumulate. In practice, experimenters often consider multiple candidate…

统计方法学 · 统计学 2026-04-08 Wenxin Zhang , Aaron Hudson , Maya Petersen , Mark van der Laan

Large scale achievement tests require the existence of item banks with items for use in future tests. Before an item is included into the bank, its characteristics need to be estimated. The process of estimating the item characteristics is…

统计方法学 · 统计学 2024-12-31 Jonas Bjermo , Ellinor Fackle Fornius , Frank Miller

Reasoning large language models achieve impressive test-time scaling by thinking for longer, but this performance gain comes at significant compute cost. Directly limiting test-time budget hurts overall performance, but not all problems are…

机器学习 · 计算机科学 2025-05-27 Menghua Wu , Cai Zhou , Stephen Bates , Tommi Jaakkola

The increasing popularity of regression discontinuity methods for causal inference in observational studies has led to a proliferation of different estimating strategies, most of which involve first fitting non-parametric regression models…

统计方法学 · 统计学 2018-06-11 Guido Imbens , Stefan Wager

We study the optimal design problems where the goal is to choose a set of linear measurements to obtain the most accurate estimate of an unknown vector in $d$ dimensions. We study the $A$-optimal design variant where the objective is to…

数据结构与算法 · 计算机科学 2018-07-18 Aleksandar Nikolov , Mohit Singh , Uthaipon Tao Tantipongpipat

Increasing test-time computation is a straightforward approach to enhancing the quality of responses in Large Language Models (LLMs). While Best-of-N sampling and Self-Consistency with majority voting are simple and effective, they require…

机器学习 · 计算机科学 2025-03-04 Chengsong Huang , Langlin Huang , Jixuan Leng , Jiacheng Liu , Jiaxin Huang