Results 21 to 30 of about 20,921 (290)

Sensor Calibration Design Based on D-Optimality Criterion

open access: yesMetrology and Measurement Systems, 2016
In this study, a procedure for optimal selection of measurement points using the D-optimality criterion to find the best calibration curves of measurement sensors is proposed.
Hajiyev Chingiz
doaj   +1 more source

Shrinkage simplex-centroid designs for a quadratic mixture model

open access: yesJournal of Industrial Engineering International, 2017
A simplex-centroid design for q mixture components comprises of all possible subsets of the q components, present in equal proportions. The design does not contain full mixture blends except the overall centroid.
Taha Hasan, Sajid Ali, Munir Ahmed
doaj   +1 more source

Optimal Designs for Direct Effects: The Case of Two Treatments and Five Periods

open access: yesMathematics, 2023
Cross-Over Designs or Repeated Measurements Designs are experimental designs in which treatments (e.g., medicines, fertilizers, diets) are applied to experimental units (usually humans) in different time periods.
Miltiadis S. Chalikias
doaj   +1 more source

A Randomized Exchange Algorithm for Computing Optimal Approximate Designs of Experiments [PDF]

open access: yes, 2018
We propose a class of subspace ascent methods for computing optimal approximate designs that covers both existing as well as new and more efficient algorithms.
Filová, Lenka   +2 more
core   +3 more sources

Generating Improved Experimental Designs with Spatially and Genetically Correlated Observations Using Mixed Models

open access: yesAgronomy, 2018
The aim of this study was to generate and evaluate the efficiency of improved field experiments while simultaneously accounting for spatial correlations and different levels of genetic relatedness using a mixed models framework for orthogonal and non ...
Lazarus K. Mramba   +3 more
doaj   +1 more source

Sparse kernel density estimation technique based on zero-norm constraint [PDF]

open access: yes, 2010
A sparse kernel density estimator is derived based on the zero-norm constraint, in which the zero-norm of the kernel weights is incorporated to enhance model sparsity.
Chen, S, Harris, C J, Hong, Xia
core   +1 more source

D-optimal designs for multinomial logistic models [PDF]

open access: yesThe Annals of Statistics, 2020
We consider optimal designs for general multinomial logistic models, which cover baseline-category, cumulative, adjacent-categories, and continuation-ratio logit models, with proportional odds, non-proportional odds, or partial proportional odds assumption.
Bu, Xianwei, Majumdar, Dibyen, Yang, Jie
openaire   +4 more sources

D-Optimal Designs with Hadamard Matrix

open access: yesJournal of Mathematical Analysis and Applications, 1993
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Chow, K.L., Lii, K.S.
openaire   +1 more source

Algorithms for the minimum spanning tree problem with resource allocation

open access: yesOperations Research Perspectives, 2016
We formulate the minimum spanning tree problem with resource allocation (MSTRA) in two ways, as discrete and continuous optimization problems (d-MSTRA/c-MSTRA), prove these to be NP-hard, and present algorithms to solve these problems to optimality.
Seiji Kataoka, Takeo Yamada
doaj   +1 more source

Optimal designs for multivariable spline models [PDF]

open access: yes, 2009
In this paper, we investigate optimal designs for multivariate additive spline regressionmodels. We assume that the knot locations are unknown, so must be estimated from thedata.
David C. Woods   +5 more
core   +1 more source

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