Results 91 to 100 of about 1,045,644 (311)

Multivariate medians and measure-symmetrization

open access: yes, 2007
We discuss two research areas dealing respectively with (1) a class of multivariate medians and (2) a symmetrization algorithm for probability measures.Comment: Published at http://dx.doi.org/10.1214/074921707000000201 in the IMS Lecture Notes ...
Vitale, Richard A.
core   +2 more sources

Quantity and Volume of Perivascular Spaces Are Inversely Associated With Multiple Sclerosis Relative to Cerebrovascular Disease and Migraine

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To quantify the number and volume of whole brain perivascular spaces (PVS) using a detection and segmentation algorithm in participants with multiple sclerosis (MS) and patients with disorders mimicking MS known to potentially influence PVS, such as cerebrovascular disease.
Elle M. Levit   +5 more
wiley   +1 more source

DISCRIMINANT FUNCTIONS FOR AQUACULTURE WASTEWATER DILUTIONS IN WELL WATER APPLIED BY NON-SELF-COMPENSATING DRIPPERS [PDF]

open access: yesEngenharia Agrícola
Emitter clogging is the main limitation of drip irrigation systems operating with wastewater. This paper aimed to employ discriminant analysis (DA) to generate classification functions that characterize aquaculture wastewater (AW) dilutions in well water
Laio A. L de Paiva   +6 more
doaj   +1 more source

Altered Dynamic Functional Network Connectivity in Post‐Stroke Aphasia

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Previous studies examining post‐stroke aphasia (PSA) patients via resting‐state functional magnetic resonance imaging (rs‐fMRI) have predominantly focused on static functional connectivity. In contrast, the current investigation aims to elucidate the alterations in dynamic functional network connectivity (dFNC) among PSA patients ...
Guihua Xu   +6 more
wiley   +1 more source

Asymptotics of Multivariate Randomness Statistics

open access: yesJournal of Multivariate Analysis, 1995
Assume for each \(i = 1, \dots, q\) a small sample of \(n(i)\) observations is collected. Let \(N = \sum^q_{i = 1} n(i)\), \(\overline F^i\) be the empirical distribution function of the \(i\)-th sample, \(\overline F^*\) be the empirical distribution function of all the samples taken together.
openaire   +3 more sources

CSF Levels of NPTX2 Are Associated With Less Brain Atrophy Over Time in Cognitively Unimpaired Individuals

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Introduction Neuronal pentraxin 2 (NPTX2) is a synaptic protein involved in synaptic plasticity and regulation of neuronal excitability. Lower baseline cerebrospinal fluid (CSF) NPTX2 levels have been shown to be associated with an earlier onset of mild cognitive impairment (MCI), a pre‐dementia syndrome, even after CSF Alzheimer's Disease (AD)
Juan P. Vazquez   +12 more
wiley   +1 more source

Relationship between land use and water quality in a watershed impacted by iron ore tailings and domestic sewage

open access: yesRevista Ambiente & Água, 2019
Changes in land use and land cover in watersheds, together with population increases and urbanization of these areas, have caused negative impacts on surface water quality.
Laura Pereira do Nascimento   +3 more
doaj   +1 more source

MetaPhat: Detecting and Decomposing Multivariate Associations From Univariate Genome-Wide Association Statistics

open access: yesFrontiers in Genetics, 2020
BackgroundMultivariate testing tools that integrate multiple genome-wide association studies (GWAS) have become important as the number of phenotypes gathered from study cohorts and biobanks has increased.
Jake Lin   +7 more
doaj   +1 more source

Diffusion Tractography Biomarker for Epilepsy Severity in Children With Drug‐Resistant Epilepsy

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To develop a novel deep‐learning model of clinical DWI tractography that can accurately predict the general assessment of epilepsy severity (GASE) in pediatric drug‐resistant epilepsy (DRE) and test if it can screen diverse neurocognitive impairments identified through neuropsychological assessments.
Jeong‐Won Jeong   +7 more
wiley   +1 more source

Applications of Multivariate Statistics in the Context of Life Cycle Assessment

open access: yesChemical Engineering Transactions, 2023
LCA is essential for achieving the European Green Deal's targets and supporting sustainable development. As LCA tools become more complex, multivariate statistics can offer valuable solutions.
Bianca Köck   +2 more
doaj  

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