Results 81 to 90 of about 200,023 (268)

Adaptabilidade e estabilidade do rendimento de grãos de genótipos de feijão Grain yield adaptation and stability of bean genotypes

open access: yesPesquisa Agropecuária Brasileira, 1999
Efetuaram-se análises de adaptabilidade e estabilidade do rendimento de grãos de onze genótipos de feijão (Phaseolus vulgaris L.) de ensaios conduzidos em 23 municípios do Rio Grande do Sul, de 1988/89 a 1993/94, compreendendo 72 ambientes, visando ...
Clause Fátima de Brum Piana   +3 more
doaj   +1 more source

The case for property in the long run: a cointegration test [PDF]

open access: yes, 1998
The benefits of property in the mixed asset portfolio has been the subject of a number of studies both in the UK and around the world. The traditional way of investigating this issue is to use MPT with the results suggesting that Property should play a ...
Lee, Stephen L.
core  

ASYMPTOTICS AND CONFIDENCE ESTIMATION IN SEGMENTED REGRESSION MODELS

open access: yesAdvances and Applications in Statistics, 2015
Summary: We consider confidence estimation methods for the change point parameter in a clustered segmented regression model with a continuity constraint using least squares estimators of the model parameters. The asymptotic properties of the estimators are first derived, and then these properties are used to demonstrate that the confidence estimation ...
Robinson, R. A., Gill, R. S.
openaire   +2 more sources

Network Localization of Fatigue in Multiple Sclerosis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Fatigue is among the most common symptoms and one of the main factors determining the quality of life in multiple sclerosis (MS). However, the neurobiological mechanisms underlying fatigue are not fully understood. Here we studied lesion locations and their connections in individuals with MS, aiming to identify brain networks ...
Olli Likitalo   +12 more
wiley   +1 more source

Frailty Exacerbates Disability in Progressive Multiple Sclerosis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background To evaluate frailty in severe progressive multiple sclerosis (PMS) and to investigate the underlying mechanisms. Methods This prospective, cross‐sectional, multicenter study enrolled a late severe PMS group requiring skilled nursing (n = 53) and an age, sex, and disease duration‐matched control PMS group (n = 53).
Taylor R. Wicks   +10 more
wiley   +1 more source

Towards Deep Semantic Analysis Of Hashtags

open access: yes, 2015
Hashtags are semantico-syntactic constructs used across various social networking and microblogging platforms to enable users to start a topic specific discussion or classify a post into a desired category.
Bansal, Piyush   +2 more
core   +1 more source

Post‐COVID Fatigue Is Associated With Reduced Cortical Thickness After Hospitalization

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Neuropsychiatric symptoms are among the most prevalent sequelae of COVID‐19, particularly among hospitalized patients. Recent research has identified volumetric brain changes associated with COVID‐19. However, it currently remains poorly understood how brain changes relate to post‐COVID fatigue and cognitive deficits.
Tim J. Hartung   +190 more
wiley   +1 more source

Short-term forecasting models for automated data backup system: segmented regression analysis

open access: yesActa Scientiarum: Technology, 2020
The Information and Communication Technology (ICT) becomes a critical area to business success; organizations need to adopt additional measures to ensure the availability of their services.
Leandro Duarte Pereira   +5 more
doaj   +1 more source

Speech segmentation using regression fusion of boundary predictions

open access: yesComputer Speech & Language, 2010
In the present work we study the appropriateness of a number of linear and non-linear regression methods employed on the task of combining multiple phonetic boundary predictions. The proposed fusion schemes are independent of the implementation of the individual segmentation engines as well as from their number.
Mporas, Iosif   +2 more
openaire   +2 more sources

Association of Corticospinal Tract Asymmetry With Ambulatory Ability After Intracerebral Hemorrhage

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Ambulatory ability after intracerebral hemorrhage (ICH) is important to patients. We tested whether asymmetry between ipsi‐ and contra‐lesional corticospinal tracts (CSTs) assessed by diffusion tensor imaging (DTI) is associated with post‐ICH ambulation.
Yasmin N. Aziz   +25 more
wiley   +1 more source

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