Results 31 to 40 of about 3,554,144 (293)

Regression models for partially localized fMRI connectivity analyses

open access: yesFrontiers in Neuroimaging, 2023
BackgroundBrain functional connectivity analysis of resting-state functional magnetic resonance imaging (fMRI) data is typically performed in a standardized template space assuming consistency of connections across subjects.
Bonnie B. Smith   +3 more
doaj   +1 more source

Cluster-Robust Variance Estimation for Dyadic Data [PDF]

open access: yes, 2015
Dyadic data are common in the social sciences, although inference for such settings involves accounting for a complex clustering structure. Many analyses in the social sciences fail to account for the fact that multiple dyads share a member, and that ...
Aronow, Peter M.   +2 more
core   +3 more sources

Multivariate Regression Analyses for Categorical Data

open access: yesJournal of the Royal Statistical Society Series B: Statistical Methodology, 1992
SUMMARY It is common to observe a vector of discrete and/or continuous responses in scientific problems where the objective is to characterize the dependence of each response on explanatory variables and to account for the association between the outcomes.
Liang, Kung-Yee   +2 more
openaire   +2 more sources

Adherence to Protocol Recommendations for Children With Wilms Tumour in Two Consecutive Studies in the United Kingdom and Ireland—Does Variation Matter?

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background and Aims Wilms tumour (WT) has excellent event‐free and overall survival (OS). However, small differences exist between countries participating in the same international study. This led us to examine variation in adherence to protocol recommendations as a potential contributing factor.
Suzanne Tugnait   +23 more
wiley   +1 more source

Under-reported income of Russian households

open access: yesRussian Journal of Economics, 2016
In the proposed paper, an attempt is made to estimate the proportion of unstated income for Russian households based on micro data. An overview of microeconomic approaches to estimating the scale of under-reported income is provided. These approaches are
Yaroslav Murashov, Tatiana Ratnikova
doaj   +1 more source

Credibility of Causal Estimates from Regression Discontinuity Designs with Multiple Assignment Variables

open access: yesStats, 2021
In this paper, we determine treatment effects when the treatment assignment is based on two or more cut-off points of covariates rather than on one cut-off point of one assignment variable.
Albert Whata, Charles Chimedza
doaj   +1 more source

Valuing Natural Space and Landscape Fragmentation in Richmond, VA [PDF]

open access: yes, 2016
Hedonic pricing methods and GIS (Geographic Information Systems) were used to evaluate relationships between sale price of single family homes and landscape fragmentation and natural land cover. Spatial regression analyses found that sale prices increase
Carpenter, Lee Wyatt
core   +1 more source

Intravitreal GD2‐Specific Chimeric Antigen Receptor T‐Cell Therapy for Refractory Retinoblastoma

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Effective treatments for advanced, treatment‐resistant retinoblastoma (RB) remain limited. GD2‐specific chimeric antigen receptor (CAR) T cells show potent antitumor activity with minimal toxicity but have not previously been evaluated in RB.
Subongkoch Subhadhirasakul   +13 more
wiley   +1 more source

Pulmonary Dysfunction Is Associated With Sleep Study Abnormalities in Children With Sickle Cell Disease: A Multicenter Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Pulmonary dysfunction and sleep abnormalities are common in children with sickle cell disease (SCD) and are associated with worse clinical outcomes. Whether spirometry abnormalities are associated with polysomnography (PSG) findings remains unclear.
Ammar Saadoon Alishlash   +4 more
wiley   +1 more source

Evaluation of changes in fixed flexion deformity following medial unicompartmental knee arthroplasty

open access: yesBone & Joint Open
Aims: While residual fixed flexion deformity (FFD) in unicompartmental knee arthroplasty (UKA) has been associated with worse functional outcomes, limited evidence exists regarding FFD changes.
Warran Wignadasan   +6 more
doaj   +1 more source

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