Výsledky vyhledávání - "Rand R, Wilcox"

Akademický článek

Associations between accelerometer‐derived sedentary behavior and physical activity with white matter hyperintensities in middle‐aged to older adults

Autor: David A. Raichlen, Madeline Ally, Daniel H. Aslan, M. Katherine Sayre, Pradyumna K. Bharadwaj, Silvio Maltagliati, Mark H. C. Lai, Rand R. Wilcox, Christian G. Habeck, Yann C. Klimentidis, Gene E. Alexander

Publikováno v: Alzheimer’s & Dementia: Diagnosis, Assessment & Disease Monitoring, Vol 16, Iss 3, Pp n/a-n/a (2024)

Abstract INTRODUCTION We examined the relationship between sedentary behavior (SB), moderate‐to‐vigorous physical activity (MVPA), and white matter hyperintensity (WMH) volumes, a common magnetic resonance imaging (MRI) marker associated with ris

Externí odkaz: https://doaj.org/article/033fd6a5b7f84cae9863a01675336b03

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Akademický článek

A Quantile Shift Approach to Main Effects and Interactions in a 2-by-2 Design

Autor: Rand R. Wilcox, Guillaume A. Rousselet

Publikováno v: Methodology, Vol 20, Iss 1, Pp 47-71 (2024)

When comparing two independent groups, shift functions are basically techniques that compare multiple quantiles rather than a single measure of location, the goal being to get a more detailed understanding of how the distributions differ. Various ver

Externí odkaz: https://doaj.org/article/be4bfd3a9c1c43588044438812d2bff1

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Akademický článek

Univariate and multivariate sex differences and similarities in gray matter volume within essential language-processing areas

Autor: Carla Sanchis-Segura, Rand R. Wilcox, Alvaro Javier Cruz-Gómez, Sonia Félix-Esbrí, Alba Sebastián-Tirado, Cristina Forn

Publikováno v: Biology of Sex Differences, Vol 14, Iss 1, Pp 1-24 (2023)

Abstract Background Sex differences in language-related abilities have been reported. It is generally assumed that these differences stem from a different organization of language in the brains of females and males. However, research in this area has

Externí odkaz: https://doaj.org/article/4f7c3ae3a0324ee182b44713dfcb45a9

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Akademický článek

Robust Correlation Coefficients That Deal With Bad Leverage Points

Autor: Rand R. Wilcox

Publikováno v: Methodology, Vol 19, Iss 4, Pp 348-364 (2023)

Consider the usual linear regression model. A well-known concern is that a bad leverage point, which is a type of outlier, can result in a poor fit to the bulk of the data, even when using any one of many robust regression estimators. In terms of mea

Externí odkaz: https://doaj.org/article/cfedb1c140e1469ab5b6e616e76c2536

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Elektronická kniha

Introduction to Robust Estimation and Hypothesis Testing

Autor: Rand R. Wilcox

This revised book provides a thorough explanation of the foundation of robust methods, incorporating the latest updates on R and S-Plus, robust ANOVA (Analysis of Variance) and regression. It guides advanced students and other professionals through t

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Elektronická kniha

Basic Statistics : Understanding Conventional Methods and Modern Insights

Autor: Rand R. Wilcox

This introductory statistics textbook for non-statisticians covers basic principles, concepts, and methods routinely used in applied research. What sets this text apart is the incorporation of the many advances and insights from the last half century

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