Liza Levina

Assistant Professor Department of Statistics University of Michigan 439 West Hall 1085 S. University Ave. Ann Arbor MI 48109-1107 Office: 459 West Hall phone: (734) 764-3235 fax:(734) 763-4676

Teaching

Fall 2008:  Stats 500 (Applied Statistics I)

• high-dimensional data: large p small n problems, covariance estimation, dimension reduction, manifold projections
• wireless sensor networks and statistical inference on network data
• classification and pattern recognition 
• applications of statistics to computer vision, Raman spectroscopy, and remote sensing

• Ph.D. in Statistics, U.C. Berkeley, 2002
• M.S. in Mathematics, University of Utah, 1997
• B.S. equivalent in Mathematics, St.Petersburg State University, Russia, 1994

• A.J. Rothman, E. Levina, and J. Zhu. (2008). Generalized Thresholding of Large Covariance Matrices.  To appear in the J. Amer. Statist. Assoc. (Theory and Methods). 
• A.S. Wagaman and  E. Levina (2007). Discovering Sparse Covariance Structures with the Isomap.  To appear in the Journal of Computational and Graphical Statistics.
• A.J. Rothman, P.J. Bickel, E. Levina, and J. Zhu (2008).  Sparse Permutation Invariant Covariance Estimation.  Electronic Journal of Statistics, 2:494-515.
• P.J. Bickel and E. Levina (2007).  Covariance Regularization by Thresholding.  To appear in the Annals of Statistics. 
• E. Levina, A.J. Rothman and J. Zhu (2008). Sparse Estimation of Large Covariance Matrices via a Nested Lasso Penalty.  Annals of Applied Statistics 2(1):245-263.
• P.J. Bickel and E. Levina (2008).  Regularized Estimation of Large Covariance Matrices.  Annals of Statistics 36(1):199-227.
• E. Levina,  A.S. Wagaman, A.F. Callender,  G.S. Mandair,  and M.D. Morris (2007).   Estimating the number of pure chemical components in a mixture by maximum likelihood.   Journal of Chemometrics 21(1-2):24-34.
  
• E. Levina and P.J. Bickel (2005).  Maximum Likelihood Estimation of Intrinsic Dimension.  In Advances in NIPS 17, Eds. L. K. Saul, Y. Weiss, L. Bottou.  Matlab code is available.
  
• P.J. Bickel and E. Levina (2004).  Some theory for Fisher's Linear Discriminant function, ''naive Bayes'', and some alternatives when there are many more variables than observations.  Bernoulli 10(6):989-1010.
  

• B. Karrer, E. Levina, and M.E.J. Newman (2008).  Robustness of Community Structure in Networks. Physical Review E, 77(4):046119.
• N. Katenka, E. Levina, and G. Michailidis (2006).  Robust Target Localization from Binary Decisions in Wireless Sensor Networks.  To appear in Technometrics. 
• N. Katenka, E. Levina, and G. Michailidis (2008).  Local Vote Decision Fusion for Target Detection in Wireless Sensor Networks.  IEEE Transactions on Signal Processing 56(1):329-338.

•  Zhang, M., Levina, E., Djurdjanovic, D., and Ni, J. (2008). Estimating distributions of surface parameters for classification purposes.  Journal of Manufacturing Science and Engineering, 130(3):031010. 
• E. Levina and P.J. Bickel (2006).   Texture Synthesis and Non-parametric Resampling of Random Fields.   Annals of Statistics 34(4):1751-1773.
• E. Levina and P.J. Bickel (2001)." The Earth Mover's Distance is the Mallows Distance: Some Insights from Statistics." In Proceedings of  ICCV 2001, Vancouver, Canada, p. 251-256.

Research supported in part by the NSF (DMS-0505424, DMS-0805798) and the NSA (MSPF-04Y-120).

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