Results 91 to 100 of about 7,030,691 (326)

DGQR estimation for interval censored quantile regression with varying-coefficient models.

open access: yesPLoS ONE, 2020
This paper propose a direct generalization quantile regression estimation method (DGQR estimation) for quantile regression with varying-coefficient models with interval censored data, which is a direct generalization for complete observed data.
ChunJing Li   +3 more
doaj   +1 more source

ROLE OF TEACHERS, PARENTS ATTENTION, AND INDEPENDENCE OF LEARNING TOWARDS LEARNING STUDENT ACHIEVEMENT IN SMK MA'ARIF 1 Wates [PDF]

open access: yes, 2013
This study is aimed to determine the contribution of the role of teachers, parents attention, and independent learning both individually and collectively on student achievement at SMK Maarif 1 Wates.
Dian Rakhmi, Asyifa
core  

Portable Low‐Field Magnetic Resonance Imaging in People With Human Immunodeficiency Virus

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective The aging population of people with HIV (PWH) raises heightened concerns regarding accelerated aging and dementia. Portable, low‐field MRI (LF‐MRI) is an innovative technology that could enhance access and facilitate routine monitoring of PWH.
Annabel Sorby‐Adams   +14 more
wiley   +1 more source

The Variances of Regression Coefficient Estimates Using Aggregate Data [PDF]

open access: yes
This paper considers the effect of aggregation on the variance of parameter estimates for a linear regression model with random coefficients and an additive error term.
Edwin Kuh, Roy E. Welsch
core  

Balancing Hydraulic Fracturing’s Environmental and Economic Impacts: The Need for a Comprehensive Federal Baseline and the Provision of Local Rights [PDF]

open access: yes, 2013
Reliable evaluation methods is needed to ensure that investments in energy conservation measures (ECMs) and the construction of new energy efficient buildings lives up to the promised and expected performance.
Garmezy, Adam
core   +1 more source

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

Collapsibility of Logistic Regression Coefficients

open access: yesJournal of the Royal Statistical Society Series B: Statistical Methodology, 1995
SUMMARY In this paper we discuss collapsibility of logistic regression coefficients over a background variable and present necessary and sufficient conditions for collapsibility.
Guo, Jianhua, Geng, Zhi
openaire   +2 more sources

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