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Statistical genetics, clinical trials, nonparametric statistics, bootstrap methods, survival analysis.
The bootstrap method is an appealing nonparametric technique commonly employed in many aspects of modern statistics. Under certain situations, exact analytic expressions such as the bootstrap mean and variance of L-estimates can be obtained, thus eliminating the error due to Monte Carlo resampling. Dr. Wang aims to extend the exact bootstrap approach to more complex situations, including kernel based quantile and density estimation, L-moment estimation and other aspects given truncated and censored data.
Dr. Wang's research interests also include the clinical data analysis, genomics and proteomic data analysis related to diabetes, substance abuse and psychiatric diseases.
Hutson AD; Wang D; Miecznikowski JC: An inversion theorem based kernel density estimator for a weighted average and difference of weighted averages with applications. Communications in Statistics - Theory and Methods 41: 1-14, 2012.
Wang D; Miecznikowski JC; Hutson AD: Direct density estimation of L-estimates via characteristic functions with application. Journal of Statistical Planning and Inference, 142 (2): 567-578, 2012.
Wang D; Hutson AD: A fractional order statistic towards defining a smooth quantile function for discrete data. Journal of Statistical Planning and Inference 141(9): 3142 - 3150, 2011.
Wang D; Hutson AD; Miecznikowski JC: L-moment estimation for parametric survival models given censored data. Statistical Methodology 7(6): 655 - 667, 2010.
Miecznikowski JC; Wang D; Hutson AD: Bootstrap MSE estimators to obtain bandwidth for kernel density estimation. Communications in Statistics - Simulation and Computation 39(7): 1455 - 1469, 2010.
Wang D; Hutson AD; Gaile DP: An exact bootstrap approach towards modification of the Harrell-Davis quantile function estimator for censored data. Journal of Nonparametric Statistics 22(8): 1039 - 1051, 2010.
Friedman MA; Miletta N; Roe C; Wang D; Morrow B; Kates W; Higgins AM; Shprintzen RJ: Cleft Palate, Retrognathia and Congenital Heart Disease in Velo-Cardio-Facial Syndrome: A Phenotype Correlation Study. International Journal of Pediatric Otorhinolaryngology 75(9): 1167 - 1172 2011.
Rehman MA; Wang D; Fourel G; Gilson E; Yankulov K: Subtelomeric ACS-containing proto-silencers act as antisilencers in replication factors mutants in Saccharomyces cerevisiae. Molecular Biology of the Cell 20(2): 631 - 641, 2009.