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Research article

First published 2015-11

Parkinson's Disease—Related Spatial Covariance Pattern Identified with Resting-State Functional MRI

Tao Wu, Yilong Ma, Zheng Zheng [...]

Journal of Cerebral Blood Flow & Metabolism

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Research article

First published 2010-04

Selection of covariance patterns for longitudinal data in semi-parametric models

Jialiang Li, Weng Kee Wong

Statistical Methods in Medical Research

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Research article

First published 2026-2

Novel insights into relationships between metabolic covariance patterns of FDG-PET data and clinical status in Parkinson's disease using partial least squares correlation analysis

Connor WJ Bevington, Sahib Dhaliwal, Jessamyn McKenzie [...]

Journal of Parkinson’s Disease

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Brief report

First published 2010-3

Parkinson's Disease Spatial Covariance Pattern: Noninvasive Quantification with Perfusion MRI

Yilong Ma, Chaorui Huang, Jonathan P Dyke [...]

Journal of Cerebral Blood Flow & Metabolism

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Research article

First published 1991-3

A Regional Covariance Approach to the Analysis of Functional Patterns in Positron Emission Tomographic Data

J. R. Moeller, S. C. Strother

Journal of Cerebral Blood Flow & Metabolism

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Research article

First published 2010-03

Covariance 99mTc-Exametazime SPECT Patterns in Alzheimer’s Disease and Dementia with Lewy Bodies: Utility in Differential Diagnosis

Sean J. Colloby, John P. Taylor, Michael J. Firbank [...]

Journal of Geriatric Psychiatry and Neurology

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Research article

First published 2008-4

Multivariate and Univariate Analysis of Continuous Arterial Spin Labeling Perfusion MRI in Alzheimer's Disease

Iris Asllani, Christian Habeck, Nikolaos Scarmeas [...]

Journal of Cerebral Blood Flow & Metabolism

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Research article

First published 2010-1

Eliciting the Needs that Underlie Activity–Travel Patterns and Their Covariance Structure

Linda Nijland, Theo Arentze, Harry Timmermans

Transportation Research Record: Journal of the Transportation Research Board

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Research article

First published 2009-8

Two Techniques for Investigating Interactions between Treatment and Continuous Covariates in Clinical Trials

Patrick Royston, Willi Sauerbrei

The Stata Journal: Promoting communications on statistics and Stata

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Research article

First published 2021-4

Improving convergence in growth mixture models without covariance structure constraints

Daniel McNeish, Jeffrey R. Harring

Statistical Methods in Medical Research

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