Statistics

Works Published in 2009

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Displaying works 181 - 195 of 195 in total

Sorted by most recent date added to the index first, which may not be the same as publication date order.

2009 journal article

Lifespan changes in working memory in fragile X premutation males

BRAIN AND COGNITION, 69(3), 551–558.

By: K. Cornish *, C. Kogan *, L. Li n, J. Turk*, S. Jacquemont * & R. Hagerman *

author keywords: Fragile X syndrome; Fragile X tremor and ataxia syndrome; Premutation status; Working memory; Central executive; Phonological loop; Visual-spatial sketchpad; Development; Aging
MeSH headings : Adolescent; Adult; Aged; Aging; Fragile X Mental Retardation Protein / genetics; Fragile X Syndrome / genetics; Heterozygote; Humans; Intelligence Tests; Linear Models; Male; Memory, Short-Term / physiology; Middle Aged; Neuropsychological Tests; Principal Component Analysis; Surveys and Questionnaires; Trinucleotide Repeat Expansion; Young Adult
TL;DR: The findings indicate a specific vulnerability in premutation males on tasks that require simultaneous manipulation and storage of new information, so-called executive control of memory, which appears to exist regardless of the presence of FXTAS symptoms. (via Semantic Scholar)
UN Sustainable Development Goal Categories
5. Gender Equality (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Identification of protein-coding sequences using the hybridization of 18S rRNA and mRNA during translation

NUCLEIC ACIDS RESEARCH, 37(2), 591–601.

By: C. Xing n, D. Bitzer n, W. Alexander n, M. Vouk n & A. Stomp n

MeSH headings : Base Pairing; Computational Biology / methods; Open Reading Frames; Peptide Chain Elongation, Translational; RNA, Messenger / chemistry; RNA, Ribosomal, 18S / chemistry; Saccharomyces cerevisiae Proteins / genetics; Schizosaccharomyces pombe Proteins / genetics; Sequence Analysis, RNA / methods
TL;DR: A new approach to distinguish protein-coding sequences from non-Coding sequences utilizing a period-3, free energy signal that arises from the interactions of the 3′-terminal nucleotides of the 18S rRNA with mRNA is introduced. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Asphalt parking lot runoff nutrient characterization for eight sites in North Carolina, USA

Journal of Hydrologic Engineering, 14(4), 352–361.

By: E. Passeport n & W. Hunt n

UN Sustainable Development Goal Categories
Source: NC State University Libraries
Added: August 6, 2018

2009 journal article

A Joint Association Test for Multiple SNPs in Genetic Case-Control Studies

GENETIC EPIDEMIOLOGY, 33(2), 151–163.

By: T. Wang *, H. Jacob *, S. Ghosh *, X. Wang* & Z. Zeng n

author keywords: haplotype association; retrospective likelihood; latent variable; logistic mixture model; EM algorithm
MeSH headings : Algorithms; Alleles; Case-Control Studies; Gene Frequency; Genetic Markers; Genetic Predisposition to Disease; Genotype; Haplotypes; Humans; Likelihood Functions; Linkage Disequilibrium; Logistic Models; Models, Genetic; Models, Statistical; Molecular Epidemiology / statistics & numerical data; Polymorphism, Single Nucleotide
TL;DR: A latent variable approach to test for association of multiple tightly linked SNPs in case‐control studies and an expectation‐maximization (EM)‐based algorithm to fit the penetrance model and estimate the joint haplotype frequencies of the DSL and markers simultaneously are proposed. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2009 journal article

The addition of cottonseed hulls to the starter and supplementation of live yeast or mannanoligosaccharide in the milk for young calves

JOURNAL OF DAIRY SCIENCE, 92(2), 790–798.

By: S. Hill n, B. Hopkins n, S. Davidson n, S. Bolt n, D. Diaz n, C. Brownie n, T. Brown n, G. Huntington n, L. Whitlow n

author keywords: cottonseed hull; calf; yeast; mannanoligosaccharide
MeSH headings : Animals; Animals, Newborn; Cattle / growth & development; Cattle / physiology; Cottonseed Oil / metabolism; Dietary Supplements; Eating / physiology; Female; Male; Milk / chemistry; Milk / microbiology; Oligosaccharides / metabolism; Random Allocation; Rumen / growth & development; Time Factors; Yeasts / metabolism
TL;DR: Investigation of the effects of the addition of cottonseed hulls (CSH) to the starter and the supplementation of live yeast product (YST) or mannanoligosaccharide product (MOS) to milk, on growth, intake, rumen development, and health parameters in young calves found no significant effects. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Shrinkage inverse regression estimation for model-free variable selection

JOURNAL OF THE ROYAL STATISTICAL SOCIETY SERIES B-STATISTICAL METHODOLOGY, 71, 287–299.

By: H. Bondell n & L. Li n

author keywords: Inverse regression estimation; Non-negative garrotte; Sliced inverse regression; Sufficient dimension reduction; Variable selection
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Sampling and Analytical Variability Associated with the Determination of Total Aflatoxins and Ochratoxin A in Powdered Ginger Sold As a Dietary Supplement in Capsules

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 57(2), 321–325.

By: M. Trucksess*, T. Whitaker*, C. Weaver*, A. Slate*, F. Giesbrecht*, J. Rader*, J. Betz*

author keywords: Sampling; analytical uncertainty; aflatoxins; ochratoxin A; ginger capsules; dietary supplements
MeSH headings : Aflatoxins / analysis; Analysis of Variance; Capsules / chemistry; Chromatography, High Pressure Liquid / methods; Chromatography, High Pressure Liquid / standards; Chromatography, High Pressure Liquid / statistics & numerical data; Consumer Product Safety; Dietary Supplements / analysis; Ginger / chemistry; Ochratoxins / analysis
TL;DR: The U.S. Food and Drug Administration is studying the need to monitor dietary supplements for mycotoxins such as total aflatoxins and ochratoxin A and the total variability associated with measuring AF and OTA in powdered ginger was partitioned into bottle-to-bottle, within bottle, and analytical variances. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Performance of a bioretention area and a level spreader-grass filter strip at two highway sites in North Carolina

Journal of Irrigation and Drainage Engineering, 135(2), 217–224.

By: D. Line n & W. Hunt n

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2009 article

MORPHOLOGY OF THE CAUDAL FOSSA IN CAVALIER KING CHARLES SPANIELS

VETERINARY RADIOLOGY & ULTRASOUND, Vol. 50, pp. 37–46.

By: S. Cerda-Gonzalez*, N. Olby n , S. McCullough*, A. Pease n, R. Broadstone* & J. Osborne n

author keywords: chiari-like; occipital hypoplasia; syringomyelia; MRI
MeSH headings : Animals; Arnold-Chiari Malformation / diagnosis; Arnold-Chiari Malformation / genetics; Arnold-Chiari Malformation / pathology; Arnold-Chiari Malformation / veterinary; Atlanto-Axial Joint / pathology; Atlanto-Occipital Joint / pathology; Breeding; Dog Diseases / diagnosis; Dog Diseases / genetics; Dog Diseases / pathology; Dogs; Female; Foramen Magnum / abnormalities; Foramen Magnum / anatomy & histology; Magnetic Resonance Imaging / methods; Magnetic Resonance Imaging / veterinary; Male; Syndrome; Syringomyelia / diagnosis; Syringomyelia / genetics; Syringomyelia / pathology; Syringomyelia / veterinary
TL;DR: While several factors are associated with the presence of neurologic signs, occipital hypoplasia appears to be the most important factor. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Integrated analysis of genetic and proteomic data identifies biomarkers associated with adverse events following smallpox vaccination

GENES AND IMMUNITY, 10(2), 112–119.

By: D. Reif *, A. Motsinger-Reif n, B. McKinney *, M. Rock*, J. Crowe * & J. Moore *

author keywords: smallpox; Random Forests; integrated analysis; genetic; proteomic; interactions
MeSH headings : Biomarkers / blood; Cytokines / blood; Cytokines / genetics; Decision Making, Computer-Assisted; Female; Humans; Inflammation / blood; Inflammation / chemically induced; Inflammation / genetics; Intercellular Adhesion Molecule-1 / blood; Intercellular Adhesion Molecule-1 / genetics; Male; Models, Biological; Polymorphism, Single Nucleotide; Proteomics / methods; Smallpox Vaccine / administration & dosage; Smallpox Vaccine / adverse effects; Vaccination
TL;DR: This study built a comprehensive model of AE development that includes the cytokines intercellular adhesion molecule-1 (ICAM-1 or CD54), interleukin-10 (IL-10), and colony stimulating factor-3 (CSF-3 or G-CSF) and a genetic polymorphism in the cyokine gene interleUKin-4 (IL4). (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Nonparametric autocovariance estimation from censored time series by Gaussian imputation

JOURNAL OF NONPARAMETRIC STATISTICS, 21(2), 241–259.

By: J. Park *, M. Genton * & S. Ghosh n 

Contributors: J. Park *, M. Genton * & S. Ghosh n 

author keywords: censoring; Gibbs sampling; imputation; nonparametric estimation; truncated multivariate normal distribution
TL;DR: A Gaussian imputation method to estimate an autocovariance structure via nonparametric estimation of the autocvariance function in order to address both censoring and incorrect model specification is developed. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2009 journal article

A novel statistical model for mandibular helical axis analysis

JOURNAL OF ORAL REHABILITATION, 36(2), 102–109.

By: K. Hayashi *, B. Reich n , R. Delong*, S. Lee* & I. Mizoguchi *

author keywords: finite helical axis; statistical model; spline; self-modelling regression; mandibular movement
MeSH headings : Algorithms; Child; Female; Finite Element Analysis; Humans; Imaging, Three-Dimensional; Japan; Male; Malocclusion / physiopathology; Malocclusion / therapy; Mandible / physiology; Mathematical Computing; Models, Statistical; Movement / physiology; Range of Motion, Articular; Regression Analysis; Temporomandibular Joint / physiology; Treatment Outcome
TL;DR: This study provided detailed information about jaw movement for comparing cross-bite to normal occlusion by calculating the population mean curves of the position vector of the finite helical axis of the FHA. (via Semantic Scholar)
UN Sustainable Development Goal Categories
5. Gender Equality (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 journal article

Performance of information criteria for spatial models

JOURNAL OF STATISTICAL COMPUTATION AND SIMULATION, 79(1), 93–106.

By: H. Lee & S. Ghosh n 

Contributors: H. Lee & S. Ghosh n 

author keywords: Model selection; Spatial models; Information criteria
TL;DR: This article compares the performance of some of the most popular information criteria such as Akaike information criterion (AIC), Bayesian information criterion, and corrected AIC in selecting the true model using various spatial covariance models ranging from stationary isotropic to nonstationary models. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2009 journal article

Fruit abscission by Physalis species as defense against frugivory

ENTOMOLOGIA EXPERIMENTALIS ET APPLICATA, 130(1), 21–27.

By: N. Benda*, C. Brownie n, C. Schal n  & F. Gould n 

author keywords: caterpillar foraging; host plant location; Heliothis subflexa; Heliothis virescens; specialist behavior; plant architecture; Lepidoptera; Noctuidae; Solanaceae
TL;DR: The higher fruit abscission rates in P. pubescens may be an evolved response to its greater susceptibility to searching caterpillars, according to a close relative, the generalist Heliothis virescens Fabricius. (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; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Convergence properties of sequential Bayesian D-optimal designs

Journal of Statistical Planning and Inference, 139(2), 425–440.

By: A. Roy *, S. Ghosal n & W. Rosenberger *

author keywords: Adaptive designs; Asymptotic normality; Discrete optimal design; Dose-response; Posterior convergence
TL;DR: For sequential D-optimality under a general nonlinear location-scale model for binary experiments, posterior consistency, consistency of the design measure, and the asymptotic normality of posterior following the design are established. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Sources: Web Of Science, Crossref
Added: August 6, 2018

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