All dissertations completed at Western Michigan University are entered into ScholarWorks. Some may be embargoed or restricted by the authors and may be only available from on-campus computers. Print copies are available through interlibrary loan for dissertations before 2013. If you have any questions, please contact maira.bundza@wmich.edu.

#### Dissertations from 2018

Denoising Large Neuroimage MRI Data Using Spatial Random Effect Models, Leonard Chukuma Johnson

Statistical Models for Correlated Data, Xiaomeng Niu

Statistical Properties of Population Stability Index, Bilal Yurdakul

#### Dissertations from 2017

Subgroup Analysis and Growth Curve Models for Longitudinal Data, Nichole Andrews

Diagnostics for Choosing between Stratified Logrank and Stratified Wilcoxon, Jhoanne Marsh C. Gatpatan

Spatial Analysis of Time between Two Consecutive Dental and Two Consecutive Well-Child Visits for Foster Care Youth, Chenyang Shi

Statistical and Clinical Equivalence of Measurements, Puntipa Wanitjirattikal

#### Dissertations from 2016

Some Nonparametric Ordered Restricted Inference Problems in the Context of a Statistical Education Study, Bradford M. Dykes

Bayesian Rank Based Methods for Linear and Generalized Linear Models, James Kodzo Dzikunu

Statistical Methodology for Data with Multiple Limits of Detection, Robert M. Flikkema

Comparison of Medians Using Multivariate Mixed Design Data, Libertie B. Mantilla

Bivariate Negative Binomial Hurdle with Random Spatial Effects, Robert McNutt

#### Dissertations from 2015

Poisson versus Negative Binomial Regression in the Analysis of Count Data, Barbie Ann L. Bugna

Rank Based Procedures for Ordered Alternative Models, Yuanyuan Shao

#### Dissertations from 2014

Multivariate Autoregressive Time Series Using Schweppe Weighted Wilcoxon Estimates, Jaime Burgos

Comparison of Hazard, Odds and Risk Ratio in the Two-Sample Survival Problem, Benedict P. Dormitorio

lnference on Differences in k Means for Data with Excess Zeros and Detection Limits, Haolai Jiang

#### Dissertations from 2013

A Computational Method for Estimating and Finding the HConfidence Interval of the Ratio Scale Parameters in the Two-Sample Problem, Mona Abdullah Alduailij

A Robust Estimate for the Bifurcating Autoregressive Model with Application to Cell Lineage Data, Tamer M. E. Elbayoumi

Estimation and Inference for Spatial and Spatio-Temporal Mixed Effects Models, Casey M. Jelsema

#### Dissertations from 2012

Rank-Based Estimation and Prediction for Mixed Effects Models in Nested Designs, Yusuf K. Bilgic

A New Non-Parametric Test for Umbrella Alternatives, Gilbert Ngwa Muma

#### Dissertations from 2011

Robust Adaptive Scheme for Linear Mixed Models, Gabriel Asare Okyere

Robust Nonparametric Methods for Regression to the Mean Model, Therawat Wisadrattanapong

#### Dissertations from 2010

Robust Interval Estimation of a Treatment Effect in Observational Studies Using Propensity Score Matching, Scott F. Kosten

Confidence Intervals and Tests on the Difference of Means of Two Delta Distributions, Karen Grace Villarente Rosales

On Robustification of Some Procedures Used in Analysis of Covariance, Kuanwong Watcharotone

#### Dissertations from 2009

Meta Analyses of Multiple Baseline Time Series Design Intervention Models for Dependent and Independent Series, Oluwagbohunmi Adetunji Awosoga

Statistical Procedures for Bioequivalence Analysis, Srinand Ponnathapura Nandakumar

Testing Equality of Competing Risks of Patient Discontinuation across Multiple Disease States, Eric Nantz

Heteroscedastic Linear Model Estimation Based on Ranks: An Iterated Reweighted Least Squares Approach, Themba Louis Nyirenda

Kendall's Tau and Spearman's Rho for Zero-Inflated Data, Ronald Silva Pimentel

The Robustness of Confidence Intervals for the Mean of Delta Distribution, Mathew Anthony Cantos Rosales

Test Procedures for Equality of Two Variances in Delta Distributions, Jezaniah Kira Sarion Tena

A Two-Sample Adaptive Procedure Based on the Log-Rank and Peto and Peto's Wilcoxon Tests, Annie A. Tordilla

#### Dissertations from 2007

Diagnostics for Choosing between Log-Rank and Wilcoxon Tests, Ruvie Lou Maria Custodio Martinez

Extensions of Two-Part Tests to Compare *K* Independent Populations, Marwan Daoud

#### Dissertations from 2006

New Tests of Univariate Symmetry Based on the Gini Mean Difference, Hend Ouda

New Estimators of a Circular Median, Sauwanit Ratanaruamkam

Testing Procedures for Group Sequential Clinical Trials with Multiple Survival Endpoints, Rebecca C. Scherzer

#### Dissertations from 2005

Rank-Based Methods for Repeated Measures Data Under Exchangeable Errors, John Kloke

#### Dissertations from 2004

On Similarity Measures for Cluster Analysis, Ahrned Najeeb Khalaf Albatineh

Affine Equivariant Multivariate Rank-Based and Generalized Rank Regression, Majeda Salman

#### Dissertations from 2003

A Comparison of Different Schemes for Selecting and Estimating Score Functions Based on Residuals, Ali A. Al-Shomrani

Determination of Spatial Strata for Environmental Regulatory Purposes, John Edward Daniels

Spearman Rank Regression, Jason C. Parcon

New Graphical Approach on the Analysis of Experimental Data, Suha Sari

A Robust Two-Sample Procedure to Estimate a Shift Parameter, Feridun Tasdan

#### Dissertations from 2002

Nonlinear Regression Based on Ranks, Ashebar Abebe

New Statitstical Methods for the Estimation of the Mean and Standard Deviation from Normally Distributed Censored Samples, Abou El-Makarim Abd El-Alim Aboueissa

Robust Residuals and Diagnostics in Autoregressive Time Series, Kirk W. Anderson

Visualization Methods: A Comparative Study of New, Traditional and Robust Procedures, Kimberly Crimin

On Rank-Based Considerations for Generalized Linear Models and Generalized Estimating Equation Models, Diana R. Cucos

#### Dissertations from 2001

A Comparison of Methods For Detection of Qualitative Interaction In Multicenter Trials, Boyd Jay Hanson

Empirical Spectral Analysis of Random Number Generators, David Zeitler

#### Dissertations from 1992

A Progressive Disease Model for Doubly-Censred Bivariate Survival Data that Accommodates Covariate Information, Hilmi F. Yahya