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Works (24)
Updated: July 1st, 2024 07:58
2024 article
Optimal designs for two-stage inference
Stallrich, J., & McKibben, M. (2024, May 6). JOURNAL OF QUALITY TECHNOLOGY.
author keywords: all-subsets analysis; definitive screening design; expected confidence interval criterion; pre-selection variance estimator; pure error
arxiv.org (repository)
Source: Web Of Science
Added: June 24, 2024
2023 article
D- and A-Optimal Screening Designs
Stallrich, J., Allen-Moyer, K., & Jones, B. (2023, April 7). TECHNOMETRICS.
author keywords: Bayesian optimal design; Blocking; Coordinate exchange algorithm; Factorial experiments; Minimum aliasing
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
Source: Web Of Science
Added: May 9, 2023
2023 journal article
Hierarchical Optimization for Control of Robotic Knee Prostheses Toward Improved Symmetry of Propulsive Impulse
IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING, 70(5), 1634–1642.
author keywords: Prosthetics; Knee; Robots; Legged locomotion; Kinematics; Optimization; Impedance; Human-in-the-loop; Bayesian optimization; reinforcement learning; gait symmetry; robotic prostheses
MeSH headings : Humans; Knee Prosthesis; Robotics; Robotic Surgical Procedures; Gait; Walking; Knee Joint / surgery; Biomechanical Phenomena
TL;DR:
This work proposes a novel hierarchical framework to personalize robotic knee prosthesis control and improve overall gait performance and shows that the design successfully shaped the target knee kinematics as well as configured 12 impedance control parameters to improve propulsive impulse symmetry of the human users.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: March 15, 2023
2023 article
Statistical Challenges in Online Controlled Experiments: A Review of A/B Testing Methodology
Larsen, N., Stallrich, J., Sengupta, S., Deng, A., Kohavi, R., & Stevens, N. T. (2023, October 17). AMERICAN STATISTICIAN, Vol. 10.
author keywords: A/B testing; Literature review; Online controlled experiments; Randomized controlled trials; Treatment effect estimation
TL;DR:
Challenges that require new statistical methodologies to address online experimentation are reviewed, placing the current methodologies within their relevant statistical lineages and providing illustrative examples of OCE applications.
(via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: September 9, 2023
2023 journal article
Tuning parameter selection for penalized estimation via R2
COMPUTATIONAL STATISTICS & DATA ANALYSIS, 183.
author keywords: Cross validation; Model; variable selection; Functional data; Relaxed lasso
TL;DR:
A simple, yet powerful cross-validation strategy based on maximizing squared correlations between the observed and predicted values, rather than minimizing squared error loss for the purposes of support recovery is proposed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: April 11, 2023
2021 journal article
Biological resurfacing in a canine model of hip osteoarthritis
SCIENCE ADVANCES, 7(38).
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: September 16, 2021
2021 journal article
Border Habitat Effects on Captures of Halyomorpha halys (Hemiptera: Pentatomidae) in Pheromone Traps and Fruit Injury at Harvest in Apple and Peach Orchards in the Mid-Atlantic, USA
INSECTS, 12(5).
author keywords: brown marmorated stink bug; monitoring; risk assessment; invasive species
TL;DR:
A two-year study in Mid-Atlantic fruit orchards confirmed that BMSB captures and fruit injury were often highest at edges bordering woodlands, but that other border habitats also contributed significantly to captures and injury in some instances.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
13. Climate Action
(Web of Science)
15. Life on Land
(Web of Science)
Source: Web Of Science
Added: June 10, 2021
2021 article
Incorporating Minimum Variances into Weighted Optimality Criteria
Allen-Moyer, K., & Stallrich, J. (2021, August 7). AMERICAN STATISTICIAN.
author keywords: c-Optimality; Partial optimality; Variance balance; Weight adherence; Weighted A-optimality
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
Source: Web Of Science
Added: August 23, 2021
2021 journal article
Process-Property Relationships for Melt-Spun Poly(lactic acid) Yarn
ACS OMEGA, 6(24), 15920–15928.
TL;DR:
Understanding is increased on how different process parameters can be utilized to achieve the desired properties of the as-spun and drawn PLA yarn while controlling process-induced premature degradation.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
12. Responsible Consumption and Production
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: June 10, 2021
2021 journal article
Sequential Optimization in Locally Important Dimensions
TECHNOMETRICS, 63(2), 236–248.
author keywords: Augmented expected improvement; Bayesian analysis; Computer experiments; Gaussian process; Local importance; Sequential design
TL;DR:
A sequential design algorithm called sequential optimization in locally important dimensions (SOLID) is developed that incorporates global and local variable selection to optimize a continuous, differentiable function.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: March 16, 2020
2021 journal article
Strategies for Supersaturated Screening: Group Orthogonal and Constrained Var(s) Designs
TECHNOMETRICS, 63(4), 443–455.
author keywords: Dantzig selector; GO-SSD; Orthogonality; Power; Sparsity; Type I error
TL;DR:
Constrained positive Var(s)-optimal designs, when paired with the Dantzig selector, are recommended when effect directions can be credibly specified in advance; this strategy reasonably controls Type I error rates while still identifying a high proportion of active factors.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
Source: Web Of Science
Added: January 11, 2021
2020 journal article
Construction, Properties, and Analysis of Group-Orthogonal Supersaturated Designs
TECHNOMETRICS, 62(3), 403–414.
author keywords: E(s2)-optimality; UE(s(2))-optimality; Group screening designs; Hadamard matrices; Model selection
TL;DR:
A new method for constructing supersaturated designs that is based on the Kronecker product of two carefully chosen matrices is proposed, which leads to a partitioning of the factors of the design such that the factors within a group are correlated to the others within the same group, but are orthogonal to any factor in any other group.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
Source: Web Of Science
Added: October 7, 2019
2020 journal article
OPTIMAL EMG PLACEMENT FOR A ROBOTIC PROSTHESIS CONTROLLER WITH SEQUENTIAL, ADAPTIVE FUNCTIONAL ESTIMATION (SAFE)
ANNALS OF APPLIED STATISTICS, 14(3), 1164–1181.
author keywords: Electromyography signal; varying functional regression; functional variable selection; adaptive group LASSO; correlated functional predictors; sequential adaptive functional estimation
TL;DR:
A novel decoder based on a dynamic, functional linear model with velocity or acceleration as its response and the recent past EMG signals as functional covariates is proposed, increasing the predictive capability of a single EMG signal compared to existing decoders.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: October 19, 2020
2019 journal article
Effects of extended powered knee prosthesis stance time via visual feedback on gait symmetry of individuals with unilateral amputation: a preliminary study
JOURNAL OF NEUROENGINEERING AND REHABILITATION, 16(1).
author keywords: Gait; Amputation; Visual Feedback; Rehabilitation; Knee Prosthesis
MeSH headings : Adult; Amputation, Surgical / rehabilitation; Amputees / rehabilitation; Biomechanical Phenomena; Feedback, Sensory; Female; Gait; Humans; Knee Prosthesis; Male; Middle Aged; Walking; Young Adult
TL;DR:
Increasing the amputated-limb stance time via visual feedback significantly improved the stance time symmetry and peak propulsion symmetry of individuals walking with both prostheses, and favorably improved individuals’ temporal and propulsive symmetry.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: September 30, 2019
2019 journal article
Evaluation of the geometric accuracy of computed tomography and microcomputed tomography of the articular surface of the distal portion of the radius of cats
AMERICAN JOURNAL OF VETERINARY RESEARCH, 80(10), 976–984.
MeSH headings : Animals; Cats / anatomy & histology; Humans; Radius / diagnostic imaging; Reproducibility of Results; X-Ray Microtomography / veterinary
TL;DR:
Articular surface models derived from CT images had dimensional errors that approximately matched the voxel size and therefore CT cannot be used to plan conforming arthroplasties in small joints and could lack precision when use to plan the correction of a limb deformity or repair of a fracture.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
5. Gender Equality
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: April 20, 2020
2019 journal article
Mixture designs to investigate adverse effects upon co-exposure to environmental cyanotoxins
Toxicology, 421, 74–83.
author keywords: Cyanotoxins; Mixture design; Interaction; Environmental exposure; Proteomics
MeSH headings : Animals; Bacterial Toxins / toxicity; Cell Line; Cell Survival / drug effects; Cyanobacteria; Drug Interactions; Mice; No-Observed-Adverse-Effect Level; Proteome / drug effects; Risk Assessment / methods; Toxicity Tests / methods
TL;DR:
The results highlight the need to study combinations of cyanotoxins when investigating the link between cyanobacteria and neurodegenerative pathologies and the application of design of experiment (DoE) as an efficient methodology to study mixtures of relevant environmental toxins.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
Sources: Web Of Science, Crossref
Added: April 20, 2020
2017 journal article
Interactions between transfemoral amputees and a powered knee prosthesis during load carriage
Scientific Reports, 7.
Source: NC State University Libraries
Added: August 6, 2018
2017 journal article
To log, or not to log: using heuristics to identify mandatory log events - a controlled experiment
EMPIRICAL SOFTWARE ENGINEERING, 22(5), 2684–2717.
author keywords: Logging; User activity logs; Security; Controlled experiment; User study; Mandatory log events
TL;DR:
The results indicate additional training and enforcement may be necessary to ensure subjects understand and consistently apply the assigned methods for identifying MLEs, as well as support security analysts in performing forensic analysis by evaluating the use of a heuristics-driven method for identifying mandatory log events.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018
2016 journal article
Field evaluations of the contribution of predators and the parasitoid, Aphelinus mali, to biological control of woolly apple aphid, Eriosoma lanigerum, in Virginia, USA
BIOCONTROL, 61(2), 155–165.
author keywords: Hemiptera; Aphididae; Diptera; Syrphidae; Malus domestica
TL;DR:
The fate of cohorts of naturally-occurring E. lanigerum colonies on mature trees was examined over two seasons and confirmed that H. calcarata and A. mali were most strongly associated with colony demise.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
13. Climate Action
(Web of Science)
15. Life on Land
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2016 journal article
Periconceptional Heat Stress of Holstein Dams Is Associated with Differences in Daughter Milk Production during Their First Lactation
PLOS ONE, 11(2).
MeSH headings : Animals; Cattle; Female; Fertilization / physiology; Hot Temperature / adverse effects; Lactation / physiology; Milk / metabolism; Pregnancy; Seasons; Stress, Physiological / physiology
TL;DR:
Overall however, heat stress at the time of conception is associated with lower milk production during the first lactation, and this association does not prove cause and effect, but does provide justification for additional investigation into whether heat stress around thetime of conception results in long-term, detrimental consequences for the conceptus.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2016 journal article
Under-Trellis Cover Crop and Rootstock Affect Growth, Yield Components, and Fruit Composition of Cabernet Sauvignon
AMERICAN JOURNAL OF ENOLOGY AND VITICULTURE, 67(3), 281–295.
author keywords: anthocyanins; Cabernet Sauvignon; canopy management; cover crop; fruit exposure; phenolics; rootstock; vegetative growth
TL;DR:
The use of an under-trellis cover crop favorably reduced vine size, especially during the earlier years of the experiment, as well as improving fruit composition in Cabernet Sauvignon.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2015 journal article
General weighted optimality of designed experiments
BIOMETRIKA, 102(4), 925–935.
author keywords: A-optimality; Baseline parameterization; Optimal design; Weighted information matrix; Weighted optimality; Weighted variance
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2015 journal article
Periconceptional Heat Stress of Holstein Dams Is Associated with Differences in Daughter Milk Production and Composition during Multiple Lactations
PLOS ONE, 10(10).
MeSH headings : Animals; Cattle; Female; Fertilization; Heat-Shock Response; Humidity; Lactation; Milk / metabolism; Milk Proteins / analysis; Seasons; Temperature; United States
TL;DR:
Overall, the most striking result of this study is the consistency of the relationship between HSC and milk production, which suggests that heat stress at or around the time of conception impairs cow milk yield throughout her lifetime.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2014 journal article
Spatial Distribution of Brown Marmorated Stink Bug (Hemiptera: Pentatomidae) Injury at Harvest in Mid-Atlantic Apple Orchards
JOURNAL OF ECONOMIC ENTOMOLOGY, 107(5), 1839–1848.
author keywords: Halyomorpha halys; Malus domestica; scouting; sampling
MeSH headings : Animals; Fruit / genetics; Fruit / physiology; Herbivory; Heteroptera / growth & development; Heteroptera / physiology; Malus / genetics; Malus / physiology; Mid-Atlantic Region; Nymph / growth & development; Nymph / physiology; Population Dynamics; Virginia
TL;DR:
Differences in injury distributions among the zones and canopies were primarily due to injury prevalence rather than expected injury severity, and the implications to scouting and managing H. halys in eastern apple orchards are discussed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
13. Climate Action
(Web of Science)
15. Life on Land
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
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