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Articles
Likelihood Estimation of Conjugacy Relationships in Linear Models with Applications to High-Throughput Genomics (with Dongmei Liu, Robert B. Scharpf, and Giovanni Parmigiani), The International Journal of Biostatistics (2009)
In the simultaneous estimation of a large number of related quantities, multilevel models provide a...
Characterizing Sleep Structure Using the Hypnogram (with B Swihart, K Bandeen-Roche, and N Punjabi), Journal of Clinical Sleep Medicine (2008)
Fasting Glycemia in Sleep Disordered Breathing: Lowering the Threshold on Oxyhemoglobin Desaturation (with K Stamatakis, M Sanders, H Resnick, D Gottlieb, R Mehra, and N Punjabi), Sleep (2008)
fMRI of intrasubject variability in adhd: Anomalous premotor activity with prefrontal compensation (with S Suskauer, D Simmonds, M Denckla, J Pekar, and S Mostofsky), Journal of American Academy of Child & Adolescent Psychiatry (2008)
Power spectral analysis of EEG activity during sleep in cigarette smokers (with L Zhang, J Samet, I Bankman, and N Punjabi), Chest (2008)
Technical Reports and Working Papers
Two-stage Decompositions for the Analysis of Functional Connectivity for fMRI With Application to Alzheimer's Disease Risk (with Ciprian M. Crainiceanu, Guillermo Verduzco, Stewart Mofstovsky, Susan Spear-Bassett, and James J. Pekar), Collection of Biostatistics Research Archive (2009)
Functional connectivity is the study of correlations in measured neurophysiological signals. Altered functional connectivity has...
Lasagna Plots: A Saucy Alternative to Spaghetti Plots (with Bruce Swihart, Bryan D. James, Matthew Strand, Brian S. Schwartz, and Naresh M. Punjabi), Johns Hopkins University, Dept. of Biostatistics Working Papers (2009)
Longitudinal repeated measures data has often been visualized with spaghetti plots for continuous out- comes....
COVARIATE-ADJUSTED NONPARAMETRIC ANALYSIS OF MAGNETIC RESONANCE IMAGES USING MARKOV CHAIN MONTE CARLO (with Haley Hedlin, Ziyad Mahfoud, and Susan Spear Bassett), Johns Hopkins University, Dept. of Biostatistics Working Papers (2009)
Permutation tests are useful for drawing inferences from imaging data because of their flexibility and...
NONLINEAR TUBE-FITTING FOR THE ANALYSIS OF ANATOMICAL AND FUNCTIONAL STRUCTURES (with Jeff Goldsmith, Ciprian Crainiceanu, Daniel Reich, Yong Du, and Craig Hendrix), Johns Hopkins University, Dept. of Biostatistics Working Papers (2009)
We are concerned with the estimation of the exterior surface of tube-shaped anatomical structures. This...
A NOVEL AND SIMPLE RULE OF THUMB FOR MULTIPLICITY CONTROL IN EQUIVALENCE TESTING USING TWO ONE-SIDED TESTS (with Carolyn Lauzon), Johns Hopkins University, Dept. of Biostatistics Working Papers (2008)
Equivalence testing is growing in use in scientific research outside of its traditional role in...