Articles with "mean" as a keyword



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Differences Between Plasma and Cerebrospinal Fluid Glial Fibrillary Acidic Protein Levels Across the Alzheimer Disease Continuum.

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Published in 2021 at "JAMA neurology"

DOI: 10.1001/jamaneurol.2021.3671

Abstract: Importance Glial fibrillary acidic protein (GFAP) is a marker of reactive astrogliosis that increases in the cerebrospinal fluid (CSF) and blood of individuals with Alzheimer disease (AD). However, it is not known whether there are… read more here.

Keywords: mean; gfap levels; pathology; csf gfap ... See more keywords

Prevalence of Adverse Childhood Experiences From the 2011-2014 Behavioral Risk Factor Surveillance System in 23 States

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Published in 2018 at "JAMA Pediatrics"

DOI: 10.1001/jamapediatrics.2018.2537

Abstract: Importance Early adversity is associated with leading causes of adult morbidity and mortality and effects on life opportunities. Objective To provide an updated prevalence estimate of adverse childhood experiences (ACEs) in the United States using… read more here.

Keywords: mean; risk; household; childhood ... See more keywords

Just Because There is a Button Doesn't Mean it is Appropriate to Use or That it will Give Accurate Information

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Published in 2019 at "Journal of Ultrasound in Medicine"

DOI: 10.1002/jum.14990

Abstract: Just Because There is a Button Doesn’t Mean it is Appropriate to Use or That it will Give Accurate Information M odern ultrasound equipment has many options to help improve image quality or provide additional… read more here.

Keywords: mean; information; use; accurate ... See more keywords

The selection of the number of terms in an orthogonal series cumulative function estimator

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Published in 2018 at "Statistical Papers"

DOI: 10.1007/s00362-016-0756-9

Abstract: Let h(.) be a continuous, strictly positive probability density function over an interval [a, b] and H(.) its associated cumulative distribution function (cdf). Given a sample set $$X_{1},\ldots ,X_{n}$$X1,…,Xn of independent identically distributed variables, we want… read more here.

Keywords: squared error; mean; estimator; mean integrated ... See more keywords
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Inter-model spread of the climatological annual mean Hadley circulation and its relationship with the double ITCZ bias in CMIP5

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Published in 2020 at "Climate Dynamics"

DOI: 10.1007/s00382-020-05414-z

Abstract: In the present paper, we study the climatological annual mean Hadley circulation simulated by 47 coupled atmospheric and ocean general circulation models (AOGCMs) of the phase 5 of the Coupled Model Intercomparison Project (CMIP5). Our… read more here.

Keywords: hadley; mean; hadley circulation; inter model ... See more keywords

Role of the upper-stratospheric mean state in the 2021 sudden stratospheric warming onset

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Published in 2025 at "Climate Dynamics"

DOI: 10.1007/s00382-025-07658-z

Abstract: This study investigates the role of upper-stratospheric preconditioning in the 2021 sudden stratospheric warming (SSW) onset by conducting a series of numerical model experiments. A free-run simulation predicts the SSW onset with a lead time… read more here.

Keywords: stratospheric mean; mean; upper stratospheric; role upper ... See more keywords

Comprehensive modeling of monthly mean soil temperature using multivariate adaptive regression splines and support vector machine

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Published in 2017 at "Theoretical and Applied Climatology"

DOI: 10.1007/s00704-017-2227-1

Abstract: Soil temperature (Ts) and its thermal regime are the most important factors in plant growth, biological activities, and water movement in soil. Due to scarcity of the Ts data, estimation of soil temperature is an… read more here.

Keywords: mean; soil temperature; adaptive regression; soil ... See more keywords

Characterization of the Row Geometric Mean Ranking with a Group Consensus Axiom

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Published in 2017 at "Group Decision and Negotiation"

DOI: 10.1007/s10726-018-9589-3

Abstract: An axiomatic approach is applied to the problem of extracting a ranking of the alternatives from a pairwise comparison ratio matrix. The ordering induced by row geometric mean method is proved to be uniquely determined… read more here.

Keywords: geometric mean; row geometric; mean; group consensus ... See more keywords

Near-order relation of power means

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Published in 2024 at "Positivity"

DOI: 10.1007/s11117-024-01099-4

Abstract: On the setting of positive definite operators we study the near-order properties of power means such as the quasi-arithmetic mean (Hölder mean) and Rényi power mean. We see the monotonicity of spectral geometric mean and… read more here.

Keywords: near order; power means; order relation; mean ... See more keywords

Research on Fractal Feature of Wear Surface Topography Based on Gray Images of Rubber Surfaces

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Published in 2018 at "Wireless Personal Communications"

DOI: 10.1007/s11277-018-5431-0

Abstract: Abstract Abrasion performance is an important index for evaluating the performance of rubber products. The surface morphologies of rubber composites under different temperatures and loads were characterized based on fractal theory. The abrasion performance and… read more here.

Keywords: topography; deviation; mean; surface ... See more keywords

Geochemistry of Late Carboniferous sedimentary rocks from the Zongwulong structural belt and adjacent areas, Qaidam Basin, China: Implications for provenance and tectonic setting

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Published in 2018 at "Geosciences Journal"

DOI: 10.1007/s12303-017-0032-6

Abstract: This paper documents the geochemistry of clastic sedimentary rocks from the Upper Carboniferous Zongwulong Group in the Zongwulong structural belt of the Qaidam Basin, NW China, in order to trace the sources of the sediments… read more here.

Keywords: mean; sedimentary rocks; zongwulong structural; geochemistry ... See more keywords