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相关论文: Optimal Exact Designs of Multiresponse Experiments…

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In clinical trials, the response of a given subject often depends on the selected treatment as well as on some covariates. We study optimal approximate designs of experiments in the models with treatment and covariate effects. We allow for…

统计理论 · 数学 2019-07-10 Samuel Rosa

We consider the problem of constructing optimal designs for population pharmacokinetics which use random effect models. It is common practice in the design of experiments in such studies to assume uncorrelated errors for each subject. In…

应用统计 · 统计学 2010-11-16 Holger Dette , Andrey Pepelyshev , Tim Holland-Letz

We typically construct optimal designs based on a single objective function. To better capture the breadth of an experiment's goals, we could instead construct a multiple objective optimal design based on multiple objective functions. While…

统计方法学 · 统计学 2023-03-09 Lucy L. Gao , Jane J. Ye , Shangzhi Zeng , Julie Zhou

We consider the optimal design problem for identifying effective dose combinations within drug combination studies where the effect of the combination of two drugs is investigated. Drug combination studies are becoming increasingly…

We consider the problem of computing optimal experimental design on a finite design space with respect to a compound Bayes risk criterion, which includes the linear criterion for prediction in a random coefficient regression model. We show…

统计计算 · 统计学 2017-09-08 Radoslav Harman , Maryna Prus

This paper discusses the problem of determining optimal designs for regression models, when the observations are dependent and taken on an interval. A complete solution of this challenging optimal design problem is given for a broad class…

统计方法学 · 统计学 2015-02-25 Holger Dette , Andrey Pepelyshev , Anatoly Zhigljavsky

A computer model can be used for predicting an output only after specifying the values of some unknown physical constants known as calibration parameters. The unknown calibration parameters can be estimated from real data by conducting…

统计方法学 · 统计学 2021-06-18 Arvind Krishna , V. Roshan Joseph , Shan Ba , William A. Brenneman , William R. Myers

We present an efficient method for computing A-optimal experimental designs for infinite-dimensional Bayesian linear inverse problems governed by partial differential equations (PDEs). Specifically, we address the problem of optimizing the…

统计计算 · 统计学 2014-05-29 Alen Alexanderian , Noemi Petra , Georg Stadler , Omar Ghattas

We investigate the possibility of extending some results of Pazman and Pronzato (2014) to a larger set of optimality criteria. Namely, in a linear regression model the problem of computing D-, A-, E_k-optimal designs, of combining these…

统计计算 · 统计学 2015-04-24 Katarina Burclova , Andrej Pazman

We consider the optimal design problem for a comparison of two regression curves, which is used to establish the similarity between the dose response relationships of two groups. An optimal pair of designs minimizes the width of the…

统计方法学 · 统计学 2014-11-19 Holger Dette , Kirsten Schorning

Linear regression models are among the models most used in practice, although the practitioners are often not sure whether their assumed linear regression model is at least approximately true. In such situations, only designs for which the…

统计理论 · 数学 2007-06-13 Wolfgang Bischoff , Frank Miller

Nonlinear regression models addressing both efficacy and toxicity outcomes are increasingly used in dose-finding trials, such as in pharmaceutical drug development. However, research on related experimental design problems for corresponding…

统计方法学 · 统计学 2016-01-06 Holger Dette , Katrin Kettelhake , Kirsten Schorning , Weng Kee Wong , Frank Bretz

In this paper, we address the challenging problem of optimal experimental design (OED) of constrained inverse problems. We consider two OED formulations that allow reducing the experimental costs by minimizing the number of measurements.…

数值分析 · 数学 2017-08-17 Lars Ruthotto , Julianne Chung , Matthias Chung

Minimizing the number of patients exposed to potentially harmful drugs in early onco logical trials is a major concern during planning. Adaptive designs account for the inherent uncertainty about the true effect size by determining the…

应用统计 · 统计学 2016-05-03 Kevin Kunzmann , Meinhard Kieser

Given n experiment subjects with potentially heterogeneous covariates and two possible treatments, namely active treatment and control, this paper addresses the fundamental question of determining the optimal accuracy in estimating the…

机器学习 · 统计学 2024-11-13 Jiachun Li , David Simchi-Levi , Yunxiao Zhao

The aim of this paper is twofold. First, we introduce "resource constraints" as a general concept that covers many practical restrictions on experimental design. Second, for computing efficient exact designs of experiments under any…

统计计算 · 统计学 2014-08-08 Radoslav Harman , Alena Bachratá , Lenka Filová

In exact sparse optimization problems on Rd (also known as sparsity constrained problems), one looks for solution that have few nonzero components. In this paper, we consider problems where sparsity is exactly measured either by the…

最优化与控制 · 数学 2019-02-14 Jean-Philippe Chancelier , Michel De Lara , Ponts Paristech

The problem of computing an exact experimental design that is optimal for the least-squares estimation of the parameters of a regression model is considered. We show that this problem can be solved via mixed-integer linear programming…

统计计算 · 统计学 2024-06-18 Radoslav Harman , Samuel Rosa

In the common linear regression model the problem of determining optimal designs for least squares estimation is considered in the case where the observations are correlated. A necessary condition for the optimality of a given design is…

统计理论 · 数学 2013-03-13 Holger Dette , Andrey Pepelyshev , Anatoly Zhigljavsky

In optimization routines used for on-line Model Predictive Control (MPC), linear systems of equations are usually solved in each iteration. This is true both for Active Set (AS) methods as well as for Interior Point (IP) methods, and for…

最优化与控制 · 数学 2014-01-08 Daniel Axehill
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