Yanyuan Ma

Education

• MIT, PhD in Applied Mathematics, 1999
  
• Beijing University, BS in Mathematics
  

Research

• Semiparametrics
  
• Measurement error models
  
• Mixed sample problems
  
• Latent variable models
  
• Dimension reduction
  
• Selection bias and Skew-elliptical distributions
  

Papers

1. A Semiparametrics Approach to Dimension Reduction.
   Ma, Y. and Zhu, L.
   2011, Journal of the American Statistical Association, in press.
2. Density Estimation in Several Populations With Uncertain Population Membership.
   Ma, Y., Hart, J. D. and Carroll, R. J.
   2011, Journal of the American Statistical Association, 106, 1180-1192.
3. Saddlepoint Test in Measurement Error Models.
   Ma, Y. and Ronchetti, E.
   2011, Journal of the American Statistical Association, 106, 147-156.
4. A Robust, Functional Generalized Method of Moments Approach for Longitudinal Studies With Missing Responses and Covariate Measurement Error.
   Yi, G. Y., Ma,Y. and Carroll, R. J.
   2011, Biometrika, in press.
5. Multiple imputation in quantile regression
   Wei, Y., Ma,Y. and Carroll, R. J.
   2011, Biometrika, in press.
6. Optimal variance estimation without estimating the mean function
   Tong, T., Ma, Y. and Wang, Y.
   2011 Bernoulli, in press.
7. Analysis on Censored Quantile Residual Life Model via Spline Smoothing.
   Ma, Y. and Wei, Y.
   2012, Statistica Sinica, 22, 47-68.
8. On the Likelihood Function of Gaussian Max-stable Processes.
   Genton, M. G., Ma, Y. and Sang, H.
   2011, Biometrika , 98, 481-488.
9. Stochastic Generalized Method of Moments.
   Yin, G., Ma, Y., Liang, F. and Yuan, Y.
   2011, Journal of Computational and Graphical Statistics , 20, 714-727.
10. Efficiency Improvement Through Model-free Covariate Incorporation in Crossing Survival Curves.
    Garcia, T. P., Ma, Y. and Yin, G.
    2011, Lifetime Data Analysis , in press.
11. The Efficiency of the Second-order Nonlinear Least Squares Estimator and its Extension.
    Kim, M. and Ma, Y.
    2011, Annals of the Institute of Statistical Mathematics, in press.
12. Testing change-point in logistic models with covariate measurement error.
    Ma, Y.
    2011, Journal of Statistical Research, in press.
13. Local and Omnibus Tests in Classical Measurement Error Models.
    Ma, Y., Hart, J. D., Janicki, R. and Carroll, R. J.
    2011, Journal of the Royal Statistical Society, Series B, 73, 81-98.
14. Censored Quantile Regression with Covariate Measurement Errors.
    Ma, Y. and Yin, G.
    2011, Statistica Sinica, 21, 949-971.
15. Asymptotics Properties of Sample Quantiles of Discrete Distributions.
    Ma, Y., Genton, M. G. and Parzen, E.
    2011, Annals of the Institute of Statistical Mathematics, 63, 227-243.
16. Explicit Semiparametric Estimators for Generalized Linear Latent Variable Models.
    Ma, Y. and Genton, M. G.
    2010, Journal of the Royal Statistical Society, Series B, 72, 475-495.
17. A Semiparametric Efficient Estimator in Case-control Studies.
    Ma, Y.
    2010, Bernoulli, 16, 585-603.
18. Transformation and Smoothing in Sample Survey Data.
    Ma, Y. and Welsh, A. H.
    2010, Scandinavian Journal of Statistics, 37, 496-513.
19. Semiparametric Median Residual Life Model and Inference.
    Ma, Y. and Yin, G.
    2010, Canadian Journal of Statistics, 38, 665-679.
20. Variable Selection in Measurement Error Models.
    Ma, Y. and Li, R.
    2010, Bernoulli, 16, 274-300.
21. Variance Estimation in the Analysis of Microarray Data
    Wang, Y., Ma, Y. and Carroll, R. J.
    2009, Journal of the Royal Statistical Society, Series B, 71, 725-745.
22. Cure Rate Model with Mismeasured Covariates under Transformation
    Ma, Y. and Yin, G.
    2008, Journal of the American Statistical Association, 103, 743-756.
23. Constrained Local Likelihood Estimators for Semiparametric Skew-Normal Distributions
    Ma, Y. and Hart, J.
    2007, Biometrika, 94, 119-134.
24. Discussion on ``Parameter estimation for differential equations: A generalized smoothing approach'' by Ramsay, Hooker, Campbell and Cao.
    Huang, J. and Ma, Y.
    2007, Journal of the Royal Statistical Society, Series B , 69, 783.
25. Testing the Suitability of Polynomial Models in Errors-in-Variables Problems
    Hall, P. and Ma, Y.
    2007, Annals of Statistics, 35, 2620-2638.
26. Measurement Error Models with Unknown Error Structure.
    Hall, P. and Ma, Y.
    2007, Journal of Royal Statistical Society, Series B , 69, 429-446.
27. Efficient Estimation of Population-level Summaries in General Semiparametric Regression Models
    Maity, A., Ma, Y. and Carroll, R. J.
    2007, Journal of the American Statistical Association, 102, 123-139.
28. Locally Efficient Estimators for Semiparametric Models with Measurement Error
    Ma, Y. and Carroll, R. J.
    2006, Journal of the American Statistical Association, 101, 1465-1474.
29. Efficient Semiparametric Estimator for Heteroscedastic Partially-linear Models
    Ma, Y., Chiou, J.-M. and Wang, N.
    2006, Biometrika, 93, 75-84.
30. Closed Form Semiparametric Estimators for Measurement Error Models
    Ma, Y. and Tsiatis, A. A.
    2006, Statistica Sinica, 16, 183-193.
31. Discussion of ``Sur une limitation tres generale de la dispersion de la mediane'' by M. Frechet.
    Genton, M. G., Ma, Y. and Parzen, E.
    2006, Journal de la Societe Francaise de Statistique , 147, 51-60.
32. A Hierarchical Bayesian Approach for Parametric Estimation in HIV Models
    Banks, H. T., Grove, S., Hu, S. and Ma, Y.
    2005, Inverse Problems, 21, 1803-1822.
33. Locally Efficient Semiparametric Estimators for Generalized Skew-elliptical Distributions
    Ma, Y., Genton, M. G. and Tsiatis, A. A.
    2005, Journal of the American Statistical Association, 100, 980-989.
34. A Simulation-based Comparison Between Parametric and Nonparametric Estimation Methods in PBPK Models
    Banks, H. T., Ma, Y. and Potter, L.
    2005, Journal of Inverse and Ill-Posed Problems, 13, 1-26.
35. Locally Efficient Semiparametric Estimators for Functional Measurement Error Models
    Tsiatis, A. A. and Ma, Y.
    2004, Biometrika, 91, 835-848.
36. Linear Mixed Effect Models with Flexible Generalized Skew-elliptical Random Effects
    Ma, Y., Genton, M. G. and Davidian, M.
    2004, in Skew-Elliptical Distributions and Their Applications: A Journey Beyond Normality, Genton, M. G., Ed., Chapman & Hall / CRC, Boca Raton, FL, pp. 339-358.
37. A Flexible Class of Skew-symmetric Distributions
    Ma, Y. and Genton, M. G.
    2004, Scandinavian Journal of Statistics, 31, 459-468.
38. Highly Robust Estimation of Dispersion Matrices
    Ma, Y. and Genton, M. G.
    2001, Journal of Multivariate Analysis, 78, 11-36.
39. Highly Robust Estimation of the Covariance Function
    Ma, Y. and Genton, M. G.
    2000, Journal of Time Series Analysis, 21, 663-684.
40. Staircase Failures Explained by Orthogonal Versal Forms
    Edelman, A. and Ma, Y.
    2000, SIAM Journal on Matrix Analysis Application, 21, 1004-1025.
41. Robustness Properties of Dispersion Estimators
    Genton, M. G. and Ma, Y.
    1999, Statistics and Probability Letters, 44, 343-350.
42. Non-generic Eigenvalue Perturbations of Jordan Blocks
    Ma, Y. and Edelman, A.
    1998, Linear Algebra and Its Applications, 273, 45-63.

Teaching

• Principles of Statistics I (stat211), Fall 2004.
• Principles of Statistics I (stat211), Spring 2005.
• Principles of Statistics I (stat211), Fall 2005 .
• Principles of Statistics I, Honor Session (stat211H), Spring 2006.
• Regression Analysis, Fall 2006.
• Regression Models, Fall 2006.
• Generalized Linear Models, Spring 2007.
• Rank Statistics, Spring 2007.
• Advanced Regression Analysis, Fall 2007.
• Statistics Inference, Fall 2007.
• Semiparametric Statistics, Spring 2008
• Nonparametric Statistics, Spring 2008
• Regression Models, Spring 2008
• Principles of Statistics I (stat211), Fall 2008.
• Nonparametric Function Estimation (stat627), Spring 2009.
• Principles of Statistics I (stat211), Fall 2009.
• Principles of Statistics I (stat211), Fall 2010.
• Nonparametric Function Estimation (stat627), Spring 2011.
• Principles of Statistics I (stat211), Spring 2012.
• Theory of Statistics, Inference (stat611), Spring 2012.