Vadim Zipunnikov

发表

Fast covariance estimation for high-dimensional functional data

Luo Xiao, Ciprian M. Crainiceanu, David Ruppert, 2013, Stat. Comput..

Normalization and extraction of interpretable metrics from raw accelerometry data.

Ciprian M Crainiceanu, Jiawei Bai, Vadim Zipunnikov, 2014, Biostatistics.

Functional principal component model for high-dimensional brain imaging

Christos Davatzikos, Ciprian M. Crainiceanu, Brian Caffo, 2011, NeuroImage.

Longitudinal High-Dimensional Principal Components Analysis with Application to Diffusion Tensor Imaging of Multiple Sclerosis.

Brian Caffo, Vadim Zipunnikov, Haochang Shou, 2015, The annals of applied statistics.

Gross Motor Activity Patterns in Depression and Anxiety

Robert A. Schoevers, Vadim Zipunnikov, Femke Lamers, 2018, 2018 IEEE 14th International Conference on e-Science (e-Science).

Big GABA: Edited MR spectroscopy at 24 research sites

Michael-Paul Schallmo, Feng Liu, Alayar Kangarlu, 2017, NeuroImage.

Multilevel Functional Principal Component Analysis for High-Dimensional Data

Christos Davatzikos, Brian Caffo, Vadim Zipunnikov, 2011, Journal of computational and graphical statistics : a joint publication of American Statistical Association, Institute of Mathematical Statistics, Interface Foundation of North America.

Stride variability measures derived from wrist- and hip-worn accelerometers.

Nancy W Glynn, Jaroslaw Harezlak, Vadim Zipunnikov, 2017, Gait & posture.

Fit‐for‐Purpose Biometric Monitoring Technologies: Leveraging the Laboratory Biomarker Experience

John A Wagner, Qi Liu, Vadim Zipunnikov, 2020, Clinical and translational science.

Registration of 24-hour accelerometric rest-activity profiles and its application to human chronotypes

Jeff Goldsmith, Vadim Zipunnikov, Julia Wrobel, 2021, Biological rhythm research.

Clustering of High Dimensional Longitudinal Imaging Data

Seonjoo Lee, Ciprian M. Crainiceanu, Brian Caffo, 2013, 2013 International Workshop on Pattern Recognition in Neuroimaging.

Jacek Urbanek, Vadim Zipunnikov, Amal A. Wanigatunga, 2018 .

Accelerometry data in health research: challenges and opportunities

Ciprian M. Crainiceanu, Jiawei Bai, Jaroslaw Harezlak, 2018 .

Two-way principal component analysis for matrix-variate data, with an application to functional magnetic resonance imaging data.

Luo Xiao, Ciprian M Crainiceanu, Martin A Lindquist, 2016, Biostatistics.

Fast and Robust Algorithm for Detecting Body Posture Using Wrist-Worn Accelerometers

Vadim Zipunnikov, Jaroslaw Harezlak, Marcin Straczkiewicz, 2020 .

Structured functional principal component analysis

Ciprian M Crainiceanu, Vadim Zipunnikov, Haochang Shou, 2013, Biometrics.

Scalar on time-by-distribution regression and its application for modelling associations between daily-living physical activity and cognitive functions in Alzheimer's Disease

Jacek Urbanek, Vadim Zipunnikov, Rahul Ghosal, 2021 .

Distributional data analysis via quantile functions and its application to modeling digital biomarkers of gait in Alzheimer's Disease.

Jeffrey M. Hausdorff, Jacek Urbanek, Vadim Zipunnikov, 2021, Biostatistics.

Fragmentation as a Novel Measure of Stability in Normalized Trajectories of Mood and Attention Measured by Ecological Momentary Assessment

Lihong Cui, Vadim Zipunnikov, Junrui Di, 2019, Psychological assessment.

Association of left atrial function and left atrial enhancement in patients with atrial fibrillation: cardiac magnetic resonance study.

Hiroshi Ashikaga, Vadim Zipunnikov, Stefan L. Zimmerman, 2015, Circulation. Cardiovascular imaging.

Joint and Individual Representation of Domains of Physical Activity, Sleep, and Circadian Rhythmicity

Susan M. Resnick, Luigi Ferrucci, Jiawei Bai, 2019, Statistics in Biosciences.

Statistical image analysis of longitudinal RAVENS images

Daniel S. Reich, Dzung L. Pham, Vadim Zipunnikov, 2015, Front. Neurosci..

Electronic devices and applications to track physical activity.

Ciprian M. Crainiceanu, Vadim Zipunnikov, Jennifer A Schrack, 2015, JAMA.

Relationship between left atrial appendage morphology and stroke in patients with atrial fibrillation.

Hiroshi Ashikaga, Vadim Zipunnikov, Stefan L. Zimmerman, 2013, Heart rhythm.

STRIDE VARIABILITY MEASURES DERIVED FROM WRIST AND HIP-WORN ACCELEROMETERS

Ciprian M. Crainiceanu, Jaroslaw Harezlak, Jacek Urbanek, 2017 .

The association of left atrial low-voltage regions on electroanatomic mapping with low attenuation regions on cardiac computed tomography perfusion imaging in patients with atrial fibrillation.

John McManigle, Hiroshi Ashikaga, Vadim Zipunnikov, 2015, Heart rhythm.

Left Atrial LGE and Arrhythmia Recurrence Following Pulmonary Vein Isolation for Paroxysmal and Persistent AF.

Yiyi Zhang, Hiroshi Ashikaga, Vadim Zipunnikov, 2016, JACC. Cardiovascular imaging.

Association of left atrial function with incident atypical atrial flutter after atrial fibrillation ablation.

Vadim Zipunnikov, Stefan L. Zimmerman, Hugh Calkins, 2016, Heart rhythm.

Novel metrics for growth model selection

Vadim Zipunnikov, Ciprian Crainiceanu, William Checkley, 2018, Emerging Themes in Epidemiology.

Counting Tables Using the Double-Saddlepoint Approximation

Ruriko Yoshida, James G. Booth, Vadim Zipunnikov, 2009 .

Mood Reactivity and Affective Dynamics in Mood and Anxiety Disorders

Lihong Cui, Vadim Zipunnikov, Femke Lamers, 2018, Journal of abnormal psychology.

Field of view of mapping catheters quantified by electrogram associations with radius of myocardial attenuation on contrast-enhanced cardiac computed tomography.

Vadim Zipunnikov, Stefan L. Zimmerman, Hugh Calkins, 2018, Heart rhythm.

The predictive performance of objective measures of physical activity derived from accelerometry data for 5-year all-cause mortality in older adults: NHANES 2003-2006.

Jacek Urbanek, Vadim Zipunnikov, Ciprian Crainiceanu, 2019, The journals of gerontology. Series A, Biological sciences and medical sciences.

Magnetic resonance image intensity ratio, a normalized measure to enable interpatient comparability of left atrial fibrosis.

Vadim Zipunnikov, Stefan L. Zimmerman, Hugh Calkins, 2014, Heart rhythm.

Impact of Nonischemic Scar Features on Local Ventricular Electrograms and Scar-Related Ventricular Tachycardia Circuits in Patients With Nonischemic Cardiomyopathy

Aravindan Kolandaivelu, Vadim Zipunnikov, Stefan L. Zimmerman, 2013, Circulation. Arrhythmia and electrophysiology.

Generalized Multilevel Functional-on-Scalar Regression and Principal Component Analysis

Jeff Goldsmith, Vadim Zipunnikov, Jennifer Schrack, 2014 .

Real-time Mobile Monitoring of the Dynamic Associations Among Motor Activity, Energy, Mood, and Sleep in Adults With Bipolar Disorder

Lihong Cui, Nora D. Volkow, Vadim Zipunnikov, 2019, JAMA psychiatry.

Association of Left Atrial Local Conduction Velocity With Late Gadolinium Enhancement on Cardiac Magnetic Resonance in Patients With Atrial Fibrillation

Hiroshi Ashikaga, Vadim Zipunnikov, Stefan L. Zimmerman, 2016, Circulation. Arrhythmia and electrophysiology.

LONGITUDINAL HIGH-DIMENSIONAL DATA ANALYSIS

Brian S. Caffo, Daniel S. Reich, Vadim Zipunnikov, 2011 .

Estimating Energy Expenditure from Heart Rate in Older Adults: A Case for Calibration

Ciprian M. Crainiceanu, Luigi Ferrucci, Karen Bandeen-Roche, 2014, PloS one.

Fast, Exact Bootstrap Principal Component Analysis for p > 1 Million

Brian Caffo, Vadim Zipunnikov, Aaron Fisher, 2014, Journal of the American Statistical Association.

Multilevel Matrix-Variate Analysis and its Application to Accelerometry-Measured Physical Activity in Clinical Populations

Jiawei Bai, Vadim Zipunnikov, Philip Green, 2018, Journal of the American Statistical Association.

The Association of Pre-Existing Left Atrial Fibrosis with Clinical Variables in Patients Referred for Catheter Ablation of Atrial Fibrillation

Hiroshi Ashikaga, Vadim Zipunnikov, Stefan L. Zimmerman, 2014, Clinical Medicine Insights. Cardiology.