Acknowledgement of Support
NSF grant DMS-1407655 (07/2014-06/2017)
The Xerox Foundation UAC Award (08/2012-07/2015)
NSF grant DMS-1106912 (08/2011-07/2014)
NIH Challenge Grant 1 RC1 DA029425-01 (10/2009-09/2013)
NSF grant CMMI-0800575 (07/2008-06/2012)
NSF grant DMS-0606577 (07/2006-06/2010)
UNC-CH Junior Faculty Development Award (01/2008-12/2008)
UNC-CH University Research Council Award (05/2005-04/2007)
Greek General Secretariat for Research and Technology Program Award (12/2005-11/2007)
Invited Book Chapters
H. Shen (2010). Statistical Analysis of Call-Center Operational Data: Forecasting Call Arrivals, and Analyzing Customer Patience and Agent Service, Wiley Encyclopedia of Operations Research and Management Science, 1-10.
Noah Gans, Nan Liu, Avishai Mandelbaum, H. Shen, Han Ye (2010). Service Times in Call Centers: Agent Heterogeneity and Learning with Some Operational Consequences, A Festschrift for Lawrence D. Brown, IMS Collections, 6, 99-123.
Mihye Ahn, H. Shen, Weili Lin, Hongtu Zhu (2014). A Sparse Rank Framework for Group-wide Functional Connectivity Analysis, Statistica Sinica, forthcoming
Tian Siva Tian, Jianhua Z. Huang, H. Shen (2014). Solving the MEG Inverse Problem: A Robust Two-way Regularization Method, Technometrics, forthcoming.
Tian Siva Tian, Jianhua Z. Huang, H. Shen (2013). Two-Way Regularization for MEG Source Reconstruction via Multilevel Coordinate Descent, Statistical Analysis and Data Mining, 6, 545-556.
Lingsong Zhang, H. Shen, Jianhua Z. Huang (2013). Robust Regularized Singular Value Decomposition with Application to Mortality Data, The Annals of Applied Statistics, 7, 1540-1561. (online supplement)
Dan Shen, H. Shen, Shankar Bhamidi, Yongdai Kim, J. S. Marron (2014). Functional Data Analysis of Trees, Journal of Computationl and Graphical Statistics, 23, 418-438. (online supplement) (An earlier version of this paper won the 2011 Institute of Mathematical Statistics Laha Travel Award.)
Hanwen Huang, Dan Shen, Yufeng Liu, H. Shen, J. S. Marron (2013). Discussion: Large covariance estimation by thresholding principal orthogonal complements, Journal of the Royal Statistical Society Series B, 75, 603-680.
Tian Siva Tian, Jianhua Z. Huang, H. Shen, Zhimin Li (2013). EEG/MEG Source Reconstruction with Spatial-temporal Two-Way Regularized Regression, Neuroinformatics, 11, 477-493.
Dan Shen, H. Shen, J. S. Marron (2013). Consistency of Sparse PCA in High Dimension, Low Sample Size Contexts, Journal of Multivariate Analysis, 115, 317-333. (online supplement)
Ruijun Ji, H. Shen, Yuesong Pan, Penglian Wang, Gaifen Liu, Yilong Wang, Hao Li, Xingquan Zhao, Yongjun Wang (2013). A Novel Risk Score to Predict 1-Year Functional Outcome after Intracerebral Hemorrhage and Comparison with Existing Scores, Critical Care, 17, R275.
Ruijun Ji, David Wang, H. Shen, Yuesong Pan, Gaifen Liu, Penglian Wang, Yilong Wang, Hao Li, Yongjun Wang (2013). Interrelationship Among Common Medical Complications After Acute Stroke: Pneumonia Plays an Important Role, Stroke, 44, 3436-3444.
Ruijun Ji, H. Shen, Yuesong Pan, Penglian Wang, Gaifen Liu, Yilong Wang, Hao Li, Yongjun Wang (2013). A Novel Risk Score to Predict Pneumonia after Acute Ischemic Stroke, Stroke, 44, 1303-1309.
Ruijun Ji, Gaifen Liu, H. Shen, Yilong Wang, Hao Li, Eric Peterson, Yongjun Wang (2013). Persistence of Secondary Prevention Medications after Acute Stroke in Chinese Population: Data from China National Stroke Registry, Neurological Research, 35, 29-36.
Seonjoo Lee, Pauline E. Chugh, H. Shen, Richard W. Eberle, Dirk P. Dittmer (2013). Poisson Factor Models with Applications to Non-normalized MicroRNA Profiling, Bioinformatics, 29, 1105-1111. (online supplement)
Mihee Lee, Peter Hall, H. Shen, Christina Burch, John Tolle, J. S. Marron (2013). Deconvolution Estimation of Mixture Distributions with Boundaries, Electronic Journal of Statistics, 7, 323-341. (online supplement) (An earlier version of this paper won the 2009 student paper competition award of the ASA Sections on Statistical Computing and Graphics.)
Spencer Hays, H. Shen, Jianhua Z. Huang (2012). Functional Dynamic Factor Models with Application to Yield Curve Forecasting, The Annals of Applied Statistics, 6, 870-894. (online supplement)
Tian Siva Tian, Jianhua Z. Huang, H. Shen, Zhimin Li (2012). A Two-Way Regularization Method for MEG Source Reconstruction, The Annals of Applied Statistics, 6, 1021-1046.
Jiaping Wang, H. Shen, Hongtu Zhu (2012). Clustering Random Curves under Spatial Interdependence with Application to Service Accessibility: Discussion, Technometrics, 54, 129-133.
Rouba Ibrahim, Pierre L扙cuyer, Nazim Regnard, H. Shen (2012). On the Modeling and Forecasting of Call Center Arrivals, Winter Simulation Conference, 1-12, Berlin, Germany, December 9-12, 2012.
Seonjoo Lee, H. Shen, Young Truong, Michelle Lewis, Xuemei Huang (2011). Independent Component Analysis Involving Auto-correlated Sources with an Application to Functional Magnetic Resonance Imaging, Journal of the American Statistical Association, 106, 1009-1024. (online supplement) (An earlier version of this paper won the 2010 student paper competition award of the ENAR Annual Meeting.)
H. Shen (2010). Exponentially Weighted Methods for Forecasting Intraday Time Series with Multiple Seasonal Cycles: Comments, International Journal of Forecasting, 26, 652-654.
Mihee Lee, H. Shen, Jianhua Z. Huang, J. S. Marron (2010). Biclustering via Sparse Singular Value Decomposition, Biometrics, 66, 1087-1095. (online supplement, software (WinRAR compressed), data (WinRAR compressed))
Ping Bai, H. Shen, Jianhua Z. Huang, Young Truong (2010). Adaptive Statistical Parametric Mapping, Statistics and Its Interface, 3, 33-43.
Mihee Lee, H. Shen, Christina Burch, J. S. Marron (2010). Deconvolution Estimation of a Mixture Distribution Motivated by Mutation Effect Distributions, Journal of Nonparametric Statistics, 22, 1-22.
Farhad Shafti, Tim Bedford, L閍 Deleris, Jonathan Hosking, Nicoleta Serban, H. Shen, Lesley Walls (2010). Service Operations Classification for Risk Management, IBM Journal of Research and Development, 54, 7:1-7:17.
Jianhua Z. Huang, H. Shen, Andreas Buja (2009). The Analysis of Two-Way Functional Data Using Two-Way Regularized Singular Value Decompositions, Journal of the American Statistical Association, 104, 1609-1620. (online supplement)
H. Shen (2009). On Modeling and Forecasting Time Series of Smooth Curves, Technometrics, 51, 227-238. (This paper is selected as the Randy Sitter Paper of 2010 in Technometrics.)
H. Shen, Jianhua Z. Huang (2008). Sparse Principal Component Analysis via Regularized Low Rank Matrix Approximation, Journal of Multivariate Analysis, 99, 1015-1034. (software) Most Cited JMVA Articles since 2008, 2012
Ping Bai, H. Shen, Xuemei Huang, Young Truong (2008). A Supervised Singular Value Decomposition for Independent Component Analysis of fMRI, Statistica Sinica, 18, 1233-1252. (online supplement) (Earlier versions of this paper won the student paper competition awards at the 2006 ENAR Annual Meeting and the 2007 ICSA Applied Statistics Symposium.)
Jianhua Z. Huang, H. Shen, Andreas Buja (2008). Functional Principal Component Analysis via Regularized Best Basis Approximation, Electronic Journal of Statistics, 2, 678-695.
H. Shen, Jianhua Z. Huang (2008). Interday Forecasting and Intraday Updating of Call Center Arrivals, Manufacturing & Service Operations Management, 10, 391-410.
H. Shen, Jianhua Z. Huang (2008). Forecasting Time Series of Inhomogeneous Poisson Processes with Applications to Call Center Workforce Management, The Annals of Applied Statistics, 2, 601-623.
H. Shen, Zhengyuan Zhu (2008). Efficient Mean Estimation in Log-normal Linear Models, Journal of Statistical Planning and Inference, 138, 552-567.
Lingsong Zhang, J. S. Marron, H. Shen, Zhengyuan Zhu (2007). Singular Value Decomposition and Its Visualization, Journal of Computational and Graphical Statistics, 16, 833-854. (An earlier version of this paper won the 2005 student paper competition award of the ASA Sections on Statistical Computing and Graphics.)
Christina L. Burch, Sebastien Guyader, Daniel Samarov, H. Shen (2007). Experimental Estimate of the Abundance and Effects of Nearly Neutral Mutations in an RNA Virus, Genetics, 176, 467-476. (Featured in the Issue Highlights for May 2007)
H. Shen, Zhengyuan Zhu, Thomas Lee (2007). Robust Estimation of the Self-similarity Parameter in Network Traffic using Wavelet Transform, Signal Processing, 87, 2111-2124. (online supplement)
Merkouris Karaliopoulos, Maria Papadopouli, Elias Raftopoulos, H. Shen (2007). On Scalable Measurement-Driven Modeling of Traffic Demand in Large WLANs, 15th IEEE Workshop on Local and Metropolitan Area Networks (LANMAN 2007), pages 1-7, Princeton, New Jersey, June 10-13, 2007. (invited paper)
H. Shen, Jianhua Z. Huang, Chihoon Lee (2007). Forecasting and Dynamic Updating of Uncertain Arrival Rates to a Call Center, IEEE/INFORMS International Conference on Service Operations and Logistics, and Informatics, pages 50-55, Philadelphia, Pennsylvania, August 27-29, 2007.
H. Shen, Lawrence D. Brown, Hui Zhi (2006). Efficient Estimation of Log-normal Means with Application to Pharmacokinetic Data, Statistics in Medicine, 25, 3023-3038.
H. Shen, Lawrence D. Brown (2006). Nonparametric Modelling of Time-varying Customer Service Times at a Bank Call Center, Applied Stochastic Models in Business and Industry, 22, 297-311.
Cheolwoo Park, H. Shen, Felix Hernandez-Campos, J. S. Marron, Darryl Veitch (2006). Capturing the Elusive Poissonity in Web Traffic, 14th Annual Meeting of the IEEE International Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS06), Monterey, California, September 11-13, 2006.
Felix Hernandez-Campos, Merkouris Karaliopoulos, Maria Papadopouli, H. Shen (2006). Spatial-Temporal Modeling of Traffic Workload in a Campus WLAN, Second Annual International Wireless Internet Conference (WICON06), Boston, USA, August 2-5, 2006. (acceptance percentage 27%)
Maria Papadopouli, Elias Raftopoulos, H. Shen (2006). Evaluation of Short-term Traffic Forecasting Algorithms in Wireless Networks, 2nd Conference on Next Generation Internet Design and Engineering (NGI2006), Valencia, Spain, April 3-5, 2006. (125 paper submissions, acceptance percentage 24%)
Lawrence D. Brown, Noah Gans, Avishai Mandelbaum, Anat Sakov, H. Shen, Sergey Zeltyn, Linda H. Zhao (2005). Statistical Analysis of a Telephone Call Center: A Queueing-Science Perspective, Journal of the American Statistical Association, 100, 36-50. (longer version) (Google Scholar lists over 400 citations for this primarily methodological article.)
H. Shen, Jianhua Huang (2005). Analysis of Call Center Arrival Data Using Singular Value Decomposition, Applied Stochastic Models in Business and Industry, 21, 251-263.
Maria Papadopouli, H. Shen, Manolis Spanakis (2005). Modeling Client Arrivals at Access Points in Wireless Campus-wide Networks, 14th IEEE Workshop on Local and Metropolitan Area Networks (LANMAN 2005), Chania, Crete, September 18-21, 2005. (ranked fourth best paper in the reviewing process)
Maria Papadopouli, H. Shen, Elias Raftopoulos, Manolis Ploumidis, Felix Hernandez-Campos (2005). Short-term Traffic Forecasting in a Campus-wide Wireless Network, 16th Annual IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC), Berlin, September 11-14, 2005.
Jeff Terrell, Lingsong Zhang, Kevin Jeffay, Andrew Nobel, H. Shen, F. Donelson Smith, Zhengyuan Zhu (2005). Multivariate SVD Analyses for Network Anomaly Detection, ACM SIGCOMM Refereed Poster Proceedings, Philadelphia, US, August 22-26, 2005.
Maria Papadopouli, H. Shen, Manolis Spanakis (2005). Characterizing the Duration and Association Patterns of Wireless in a Campus, 11th European Wireless Conference (EW), Nicosia, Cyprus, April 10-13, 2005.
Jianhua Huang, H. Shen (2004). Functional Coefficient Regression Models for Nonlinear Time Series: A Polynomial Spline Approach, Scandinavian Journal of Statistics, 31, 515-534.
On Scientific Writing