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Publications
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To Appear
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Fiecas M, Ombao H, Van Lunen D, Baumgartner R, Coimbra A, Feng D. (2012). Quantifying Temporal Correlations: A Test-Retest Evaluation of Functional Connectivity in Resting State fMRI. NeuroImage.\n\nGorrostieta C, Ombao H, Prado R, Patel S and Eskandar E. (2012). Exploring Dependence Between Brain Signals in a Monkey During Learning. Journal of Time Series Analysis.\n\nStoffer D and Ombao H. (2012). Editorial: Special Issue on Time Series Analysis in the Biological Sciences. Journal of Time Series Analysis.\n\nOmbao H. (2012). Time Series Analysis of multivariate non-stationary time series using the localised Fourier Library. Handbook of Statistics: Time Series, Elsevier.\n\nMarkova A, Risica P, Shaikh W, Kirtania U, Ombao H and Weinstock M. (2011). Gender in examination and counseling for melanoma in primary care. Archives of Internal Medicine.\n\nZhu T, Cohen R, Harezlak J, Ombao H, Navia B and Schiffito G. (2012). Patterns of CNS injury in HIV infection after partial immune reconstitution: A DTI tract-based spatial statistics study. Journal of Neurovirology.\n\nBender J, Koestler D, Ombao H, McCourt M, Alskinis B, Rubin L and Padbury J. (2012). Neonatal Intensive Care Unit: Predictive Models for Length of Stay. The Journal of Perinatology.\n\n\n2012
\n\nGorrostieta C, Ombao H, Bedard P and Sanes J.N. (2012). Investigating Stimulus-Induced Changes in Connectivity Using Mixed Effects Vector Autoregressive Models. NeuroImage, 59, 3347-3355.\n\nOmbao H. (2012). Discussion: Time Threshold Maps: Using information from wavelet reconstructions with all threshold values simultaneously. Journal of the Korean Statistical Society, 41, 171-172.\n\nMotta, G. and Ombao, H. (2012). Evolutionary Factor Analysis of Replicated Time Series. Biometrics.\n\nKang H, Ombao H, Linkletter C, Long N and Badre D. (2012). Spatio-Spectral Mixed Effects Model for Functional Magnetic Resonance Imaging Data. Journal of the American Statistical Association.\nH. KANG is the 2011 Winner of the John Van Ryzin Award.
\n\n2011
\n\nFiecas, M. and Ombao, H. (2011).The Generalized Shrinkage Estimator for the Analysis of Functional Connectivity of Brain Signals. Annals of Applied Statistics, 5, 1102-1125.\nM Fiecas, receipient of the 2010 Student Paper Award at New England Statistics Symposium at Cambridge, MA.
\n\nBunea F, She Y Ombao H, Gongvatana W, Devlin K and Cohen R. (2011). Penalized Least Squares Regression Methods and Applications to Neuroimaging. NeuroImage, (55), 1519-1527.\n\nVerducci J and Ombao H. (2011). Introduction to the special issue on best papers from the SLDM competition. Statistical Analysis and Data Mining, 4: 565-566.\n\nPoliti MC, Clark MA, Ombao H, Legare F. (2011).The Impact of Physicians Reactions to Uncertainty on Patients Decision Satisfaction. Journal of Evaluation in Clinical Practice, 17, 575-578.\n\nIto H, Matsuo K, Tanaka H, Koestler DC, Ombao H, Fulton J, Shibata A, Fujita M,Sugiyama and Mor V. (2011). Non-filter and filter cigarette consumption and the incidence of lung cancer type in Japan and\nthe United States: Analysis of 30-year data from population-based cancer registries. International Journal of Cancer, 128, 175-1998.
\n\nPoliti MC, Clark MA, Ombao H, Dizon D and Elwyn G. (2011). Communicating uncertainty can lead to less decision satisfaction: A necessary cost of involving patients in shared decision making. Health Expectations, 14, 84-91.\n\nCohen R, de la Monte S, Gongvatana A, Ombao H, Gonzalez B, Devlin K, Navia B and Tashima K. (2011). Plasma cytokine concentrations associated with HIV/hepatitis C coinfection are related to attention, executive and psychomotor functioning. Journal of Neuroimmunology, J Neuroimmunology, 233, 204-210..\n\nGongvatana A, Cohen R, Correia S, Devlin K, Miles J, Clark U, Westbrook M, Hana G, Kang H, Ombao H, Navia B, Laidlaw D and Tashima K. (2011). Clinical Contributors to Cerebral White Matter Integrity in HIV-infected Individuals. Journal of Neurovirology, 7, 477-486.\n\n2010
\n\nGao, B., Ombao, H. and Ho, R. (2010). Cluster Analyis for Non-Stationary Time Series. In Statistical Methods for Modeling Human Dynamics: An Inter-Disciplinary Dialogue (pp. 85-122), Taylor and Francis.\n\nOmbao, H. and Prado, R. (2010). A Closer Look at the Two Approaches for Clustering and Classification of Non-Stationary Time Series. In Statistical Methods for Modeling Human Dynamics: An Inter-Disciplinary Dialogue (pp ), Taylor and Francis.\n\nBohm, H., Ombao, H., von Sachs, R. and Sanes, J.N. (2010). Discrimination and Classification of Multivariate Non-Stationary Signals: The SLEX-Shrinkage Method. Journal of Statistical Planning and Inference, (140), 3754-3763.\n\nFreyermuth, J-M., Ombao, H. and von Sachs, R. (2010). Spectral Estimation from Replicated Time Series: An Approach Using the Tree-Structured Wavelets Mixed Effects Model. Journal of the American Statistical Association, (105), 634-646.\n\nFiecas, M., Ombao, H., Linkletter, C., Thompson, W. and Sanes, J.N. (2010). Functional Connectivity: Shrinkage Estimation and Randomization Test. NeuroImage, (40), 3005-3014.\n\n2009
\n\nShitan, M., Ombao, H. and Ling, K-W. (2009). Spatial Modeling of Peak Frequencies of Brain Signals. Malaysian Journal of the Mathematical Sciences, 3(1), 13-26.\n\nTadjuidje,J, Ombao, H. and Davis, R. (2009). A Class of Switching Regimes Autoregressive Driven Processes with Exogenous Components. Journal of Time Series Analysis, 30, 505-533.\n\nFryzlewicz, P and Ombao, H. (2009). Consistent Classification of Non-Stationary Signals Using Stochastic Wavelet Representations. Journal of the American Statistical Association, 104, 299-312.\n\n2008
\n\nOmbao, H and Van Bellegem (2008). Coherence Analysis: A Linear Filtering Point Of View. IEEE Transactions on Signal Processing, 56(6), 2259-2266.\n\nHo, M, Ombao, H, Edgar, C and Miller, G. (2008). Time-Frequency Discriminant Analysis of MEG Signals. NeuroImage, 40(1), 174-186.\n\nOmbao, H, Shao, X, Rykhlevskaia, E, Fabiani, M and Gratton, G. (2008). Spatio-Spectral Analysis of Brain Signals. Statistica Sinica, 18, 1465-1482.\n\nPre-2008 Statistical
\n\nStoffer, D. and Ombao, H. (2000). Localized Spectral Envelope. Resenhas, 4, 363-381.\n\nOmbao, H., Raz, J., von Sachs, R. and Malow, B. (2001). Automatic Statistical Analysis of Bivariate Non-Stationary Time Series. Journal of the American Statistical Association, 96, 543-560.\n\nOmbao, H., Raz, J., Strawderman, R. and von Sachs, R. (2001). A simple GCV method of span selection for periodogram smoothing. Biometrika, 88, 1186-1192.\n\nOmbao, H., Raz, J., von Sachs, R. and Guo, W. (2002). The SLEX Model of Non-Stationary Random Process. Annals of the Institute of Statistical Mathematics, 54, 171-200.\n\nStoffer, D., Ombao, H. and Tyler, D. (2002). Evolutionary Spectral Envelope: An Approach Using the Tree-Based Adaptive Segmentation. Annals of the Institute of Statistical Mathematics, 54, 201-223.\n\nGuo, W., Dai, M., Ombao, H. and von Sachs (2003). Smoothing Spline ANOVA For Time-Dependent Spectral Analysis. Journal of the American Statistical Association, 98, 643-652.\n\nPasia, J., Hermosilla, A. and Ombao, H. (2004). Genetic Algorithms: Useful Statistical Tools. Journal of Statistical Computation and Simulation, 75, 237-251.\n\nOmbao, H., Heo, J., Stoffer, D. (2004). Statistical Analysis of Seismic Signals: An Almost Real Time Approach, Time Series Analysis and Applications to Geophysical Systems (eds. D. Brillinger E. Robinson and F. Schoenberg), New York: Springer Verlag, IMA Series, 139, 53-72.\n\nHuang, H., Ombao, H. and Stoffer D. (2004). Classification and Discrimination of Non-Stationary Time Series Using the SLEX Model. Journal of the American Statistical Association, 99, 763-774.\n\nHo, M., Ombao, H. and Shumway, R. (2005). Modelling Brain Dynamics: A State-Space Approach, Statistica Sinica, 15, 407-425.\n\nGamalo M, Ombao H and Jennings R. (2005). Comparing Extent of Activation: A Robust Permutation Approach. NeuroImage, 24(3): 715-722.\n\nOmbao, H., von Sachs, R. and Guo, W. (2005). SLEX Analysis of Multivariate Non-Stationary Time Series. Journal of the American Statistical Association, 100, 519-531.\n\nBunea, F., Ombao, H. and Auguste, A. (2006). Minimax Adaptive Spectral Estimation from an Ensemble of Signals. IEEE Transactions on Signal Processing, 54, 2865-2873.\n\nHo, M., Shumway, R. and Ombao, H. (2006). State-Space Models for Longitudinal Data With Applications in the Biological and Social Sciences. In Walls and Shafer (eds). Models for Intensive Longitudinal Data. New York, NY: Oxford Univ.Press.\n\nShinkareva, S., Ombao, H. and Sutton B. (2006). A Data-Driven Approach to Classification and Discrimination of fMRI Data. NeuroImage, 33, 63-71.\n\nOmbao, H. and Ho, M. (2006). Time-dependent frequency domain principal components analysis of multi-channel non-stationary signals. Computational Statistics and Data Analysis, 50(9), 2339-2360.\n\nChoi, H., Ombao, H. and Ray, B. (2007). Sequential Change-point Detection Method in Time Series, Technometrics, 50(1), 40-52.\n\nPre-2008 Collaborative Papers
\n\nBuysse D, Hall M, Begley A, Cherry C, Houck P, Land S, Ombao H, Kupfer D and Frank E. (2001). REM Sleep and Treatment Response in Depression: New Findings Using Power Spectral Analysis. Psychiatry Research, 103, 51-67.\n\nFagiolini A, Frank E, Houck P, Mallinger A, Swartz H, Buysse D, Ombao H and Kupfer, D. (2002). Prevalence of Obesity and Weight Change During Treatment in patients with Bipolar I Disorder, Journal of Clinical Psychiatry, 63(6), 528-534.\n\nCranstoun S, Ombao H, von Sachs R, Guo W and Litt B. (2002). Improved Time-FrequencyAnalysis of EEG Signals Using the Auto-SLEX Method, IEEE Trans in Biomedical Engineering, 49, 988 996.\n\nNofzinger E, Buysse D, Miewald J, Meltzer C, Price J, Sembrat R, Ombao H, Reynolds C, Monk T Hall M, Kupfer D and Moore R. (2002). Human Regional Cerebral Glucose Metabolism During NREM Sleep in Relation to Waking. Brain, 125,1101-1115.\n\nMoul D, Ombao H, Monk T, Chen Q and Buysse D. (2002). Masking effects of posture and sleep onset on core body temperature: a circadian rhythm of bedtime temperature drops. Journal of Biological Rhythms, 17, 447-462.\n\nJulius S, Valentini C, Krause L, Ombao H, Kaciroti N. and Weder A. (2002). A \"gender blind\" relationship of lean body mass and blood pressure in the Tecumseh study. American Journal of Hypertension, 15(3), 258-263.\n\nRaz J, Zheng H, Ombao H and Turetsky B. (2003). Statistical Test for fMRI Based on Experimental Randomization, NeuroImage, 19(2), 226-232..\n\nGermain A, Buysse D, Ombao H, Monk T, Kupfer D and Hall M. (2003). Psychophysiological Reactivity and Coping Style Influence the Effect of Acute Stress on REM During Sleep. Journal of Psychosomatic Medicine, 65, 857-864.\n\nHall M, Vasko R, Buysse D, Ombao H, Chen Q, Cashmere D, Kupfer D and Thayer J. (2004). Acute Stress Affects Heart Rate Variability During Sleep. Journal of Psychosomatic Medicine, 66, 56-62.\n\nBuysse D, Nofzinger E, Germaine A, Meltzer C, Wood A, Ombao H, Kupfer D and Moore, R. (2004). Regional Brain Glucose Metabolism During Morning and Evening Wakefulness in Humans: Preliminary Findings. SLEEP, 27, 1245-1254.\n\n\n\n\n\n\r\n![](\"logo.gif\")
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