Alumni

The Department of Statistics at Western Michigan University has many successful alumni  who have been awarded a Ph.D. in statistics. Listed below are their year of graduation, dissertation title and last known employer.

• Sandra Tay, 2024, "A Contingency Table Alternative to Poisson Regression for Comparing Two Population Rates",  Nationwide Children's Hospital.
• Ruvini Jayamaha Hitihamilage, 2024, "Quasi-Monte Carlo Estimation for Functional Generalized Linear Mixed Models", Kennesaw State University.
• Jaeseong Hwang, 2024, "Alternative Adjacency Matrices in Spatial Analysis".
• Harmony Acero Luce, 2023, "Functional Generalized Linear Mixed Models", University of Texas.
• Joseph Yang, 2023, "Nonparametric Tests for Replicated Latin Square Designs", Indiana University Bloomington.
• Xi Qiao, 2023, "A Bayesian Causal Mediation Analysis for Multilevel Genome-Wide Epigenetic Data with High Dimensional Mediators", Case Western Reserve University.
• Amr Essam Mohamed, 2023, "High Dimensional Variable Selection Via Knockoffs Using Gradient Boosting", University of Memphis.
  
• Paul Atandoh, 2023, "Statistical Clustering of Networks with Additional Information", Mercer University. 
• Charles Gu, 2023, "Learning Finite Mixture of Ising Graphical Models".
• Udomlux Kiatchupipat, 2022, "Comparing Survival Curves Using Contingency Tables", Silpakorn University, Thailand.
• Qihai Liu, 2022, "Mixture of Functional Graphical Models", Medpace.
• Daniel Quartey, 2022, "Bayesian Credible Subgroups for Count Data with Excess Zeroes", Medtronic.
• Guohao Zhu, 2021, "Odds Ratio Based Statistical Inference for Multiple 2x2 Contingency Tables", University of Michigan.
• Yanda Lang, 2020, "Rank-Based Meta-Analysis", Temple University.
• Matt Hudson, 2020, "On Simes's Second Conjecture: An Extended Single-Step Simes Test Procedure for Multiple Testing", Prosoft Clinical.
• Ida Marie Alcantara, 2020, "Statistical Properties and Applications of PRESS Statistic", Villanova University.
• Sanduni Palliyage, 2019, "Multiple Comparisons and Homogeneity in Stratified 2x2 Contingency Tables", James Madison University.
• Bang Le, 2019, "Nonparametric Tests for Ordered Alternatives in a Two-Stage Nested Design".
• Yuqian Shen, 2019, "A Two-Stage Bayesian Variable Selection Method with the Extension of Lasso for Geo-Referenced Count Data", Sanofi.
• Eunice Ampah, 2018, "Testing for Association in Stratified 2×2 Contingency Tables", Eli Lilly.
• Leonard Johnson, 2018, "Denoising Large Neuroimaging MRI Data Using Spatial Random Effect Models". Michigan State University.
• Bilal Yurdakul, 2018, "Statistical Properties of the Population Stability Index". New York Life.
• Xiaomeng Niu, 2017, "Statistical Models for Correlated Data". Regeneron.
• Puntipa Wanitjirattikal, 2017, "Statistical and Clinical Equivalence of Measurements". King Mongkut’s Institute of Technology Ladkrabang, Thailand.
  
• Jhoanne Marsh Gatpatan, 2017, "Diagnostics Between Stratified Logrank and Stratified Wilcoxon Tests", University of the Philippines Visayas.
• Chenyang Shi, 2017, "Spatial Analysis of Time Between Consecutive Dental and Well-Child Visits for Foster Care Youth", Gilead Sciences.
• Shaofeng Zheng, 2017, "Development of Traditional and Rank-based Algorithms for Linear Models with Autoregressive Error Terms and Logistic Regression with Spatially and Temporally Varying Effects", Twitter.
• Nichole Andrews, 2017, "Subgroup Analysis and Growth Curve Models for Longitudinal Data", Western Michigan University.
• Bradford Dykes, 2016, "Some Nonparametric Order-Restricted Inference Problems in the Context of a Statistical Education Study", Grand Valley State University.
• Robert Flikkema, 2016, "Statistical Methodology for Data with Multiple Limits of Detection", Astellas Pharma. 
• James Dzikunu, 2016, "Bayesian Rank Based Methods for Linear and Generalized Linear Models", American Express.
• Libertie Mantilla, 2016, "Comparison of Medians Using Multivariate Mixed Design Data", Mérieux NutriSciences, Chicago IL.
• Robert McNutt, 2015, "Bivariate Zero Inflated Negative Binomial Regression on a Lattice having Spatial Random Effects". 

• Barbie Bugna, 2015, "Poisson versus negative binomial regression in the analysis of count data ", Agios Pharmaceuticals.
• Yuanyuan Shao, 2015, "Rank Based Procedures for Ordered Alternative Models", General Motors.
• Jaime Burgos, 2014, "Multivariate autoregressive time series using Schweppe weighted Wilcoxon estimates", Capital One Bank.
• Benedict Dormitorio, 2014, "Comparison of hazard, odds and risk ratio in the two-sample survival problem", PAREXEL.
• Haolai (Lincoln) Jiang, 2014, "Inference on Differences in k Means for Data with Excess Zeros and Detection Limits", Amazon.
• Mona Aldualij, 2013, "A Computational Method for Estimating and Finding the Confidence Interval of the Ratio of the Scale Parameters in the Two- Sample Problem", Princess Noura University, Saudi Arabia.
• Tamer Elbayoumi, 2013, "A Robust Estimate for Bifurcating Autoregressive Model with Application to Cell Lineage Data", North Carolina A&T State University.
• Casey Jelsema, 2013, "Estimation and Inference for Spatial and Spatio-Temporal Mixed Effects Models", West Virginia University.
• Yusuf Bilgic, 2012, "Rank Based Estimation and Prediction for Mixed Effects Models in Nested Designs", Rochester Institute of Technology.
• Gilbert Muma, 2012, "A New Nonparametric Test for Umbrella Alternatives", Astellas Pharma US.
• Therawat Wisadrattanapong, 2011, "Robust Nonparametric Methods for Regression to the Mean Model", Prosper Engineering Co., Ltd, Thailand.
• Gabriel A. Okyere, 2011, "Robust Adaptive Scheme for Linear Mixed Models", Kwame Nkrumah University, Ghana.
• Kuanwong Watcharotone, 2010, "On Robustification of Some Procedures Used in Analysis of Covariance," University of Michigan
• Scott Kosten, 2010, "Robust Interval Estimation of a Treatment Effect in Observational Studies using Propensity Score Matching," Phastar.
• Karen Villarente Rosales, 2010, "Confidence Intervals and Tests on the Difference of Means of Two Delta Distributions", Labcorp.
• Matt Rosales, 2009, "Robustness of Confidence Intervals for the Mean of Delta Distribution," Astellas Pharma.
• Kira Tena, 2009, "Test Procedures for Equality of Two Variances in Delta Distributions," Zoetis.
• Srinand Nandakumar, 2009, "Statistical Procedures for Bioequivalence Analysis," Quintiles.
• Eric Nantz, 2009, "Testing Equality of Competing Risks of Patient Discontinuation Across Multiple Disease States," Eli Lilly & Co.
• Themba Nyirenda, 2009, "Heteroscedastic Linear Model Estimation Based on Ranks: An Iterated Reweighted Least Squares," Hackensack University Medical Center.
• Oluwagbohunmi Awosoga, 2009, "Meta Analyses of Multiple Baseline Time Series Design Intervention Models for Dependent and Independent Series, " University of Lethbridge, Canada.
• Annie Tordilla, 2009, "An Adaptive Procedure Based on the Logrank and Wilcoxon Two-sample Tests in Survival Analysis," AstraZeneca.
• Ronald Pimentel, 2009, "Kendall's Tau and Spearman's Rho for Zero Inflated Data," Innovative Analytics.
• Marwan Daoud, 2007, "Extensions of Two-Part Tests to Compare K Independent Populations".
• Ruvie Martinez, 2007, "Diagnostics for Choosing Between Log-rank and Wilcoxon Tests," Novartis.
• Hend Auda, 2006, "New Tests of Univariate Symmetry Based on the Gini Mean Difference," Helwan University, Egypt.
• Sauwanit Ratanaruamkarn, 2006, "New Estimators of a Circular Median," Surindra Rajabhat University, Thailand.
• Rebecca C. Scherzer, 2005, "Testing Procedures for Group Sequential Clinical Trials with Multiple Survival Endpoints," University of California, San Francisco.
• John Kloke, 2005, "Rank-Based Methods for Repeated Measures Data Under Exchangeable Errors," University of Wisconsin School of Medicine and Public Health.
• Ahmed N. Albatineh, 2004, "On Similarity Measures for Cluster Analysis," Kuwait University.
• Majda Salman, 2004, "Affine Equivariant Multivariate Rank-based and Generalized Rank Regression," University of Bahrain.
• John E. Daniels, 2003, "Determination of Spatial Strata for Environmental Regulatory Purposes," Central Michigan University.
• Jason C. Parcon, 2003, "Spearman Rank Regression," PepsiCo.
• Feridun Tasdan, 2003, "A Robust Two-Sample Procedure to Estimate a Shift Parameter," Western Illinois University.
• Suha Sari, 2003, "A New Graphical Approach on the Analysis of Experimental Data," Clario.
• Ali Abdullah Al-Shomrani, 2003, "A Comparison of Different Schemes for Selecting and Estimating Score Functions Based on Residuals," King Abdulaziz University.
• Abou El-Makarim Abd El-Alim Aboueissa, 2002, "New Statistical Methods For The Estimation Of the Mean And Standard Deviation From Normally Distributed Censored Distributions," University of Southern Maine.
• Asheber Abebe, 2002, "Nonlinear Regression Based on Ranks," Auburn University.
• Kimberly Crimin, 2002, "Visualization Methods: A Comparative Study of New, Traditional and Robust Procedures," Novartis.
• Diana Cucos, 2002, "On Rank-Based Considerations for Generalized Linear Models and Generalized Estimating Equations Models," Syneos Health.
• Kirk Anderson, 2002, "Robust Residuals and Diagnostics in Autoregressive Time Series," Grand Valley State University.
• Boyd Hanson, 2001, "Comparison of Methods for Detection of Qualitative Interaction in Multicenter Trials".
• David Zeitler, 2001, "Empirical Spectral Analysis of Random Number Generators," Grand Valley State University.
• Daniel Cheung, 1997, "Estimating IBNR Reserves with Roust Statistics," Hong Kong Adventist College.
• Jeffrey Terpstra, 1997, "A Robust Estimate for an Autoregressive Time Series." Western Michigan University.
• Mei Huang Wang, 1996, "Statistical Graphics: Applications to the R and GR Methods in Linear Models".
• Stavros Pouloukas, 1994, "Comparisons of Several Medians in a Lognormal K-Sample Context where some Data may be Left-Censored," University of Nicosia, Cyprus.
• William Chang, 1994, "High Breakdown Rank-Based Estimates for Linear Models," Johnson & Johnson.
• Scott D. McKnight, 1994, "A Bootstrap Method to Analyze an Intervention Model with Autoregressive Error Terms," Veterans Health Administration.
• Sherry Dixon, 1993, "Rank-Based Procedures in the Heteroscedastic Linear Model." National Center for Healthy Housing.
• Kimberly Perry, 1992, "A Critical Examination of the Use of Preliminary Tests in Two-Sample Tests of Location," Innovative Analytics.
• Hung-ir Li, 1991, "Rank Procedures for the Linear Model, " Allergan.
• Lee Witt, 1989, "Coefficients of Multiple Determination Based on Rank Estimates," Davenport University.
• Sudhakar H. Rao, 1989, "Measures of Partial Association Based on Rank Estimates," Johnson and Johnson.
• James B. Davis, 1987, "Robust Rank Analysis for Multivariate Linear Models," Radford University.
• Thomas J. Vidmar, 1986, "Design and Analysis of Drug Combination Experiments," Pfizer, Inc.