### Ph.D. Graduates

Dissertations from 2008 to the present are available in their entirety through the K-State Research Exchange Forum (K-Rex).

Graduate | Advisor | Dissertation Title | Year |
---|---|---|---|

Natarajan, Bala | W. Song | Asymptotic properties of Non-parametric Regression with Beta Kernels | 2018 |

Li, Xiongya | W. Song | Robust Multivariate Mixture Regression Models | 2018 |

Mahmood, Sharif | M. Higgins | Finding common support and assessing matching methods for causal inference | 2017 |

Opoku-Nsiah, Richard | H. Wang | A computationally efficient bootstrap-equivalent test for ANOVA in skewed populations with a large number of factor levels | 2017 |

Tong, Bo | H. Wang | More Accurate Two-sample Comparisons for Skewed Populations | 2015 |

Bai, Xiuquin | W. Yao | Robust Mixtures of Regression Models | 2014 |

Chen, Yixin | W. Yao | Statistical Inference for Varying Coefficient Models | 2014 |

Gharaibeh, Mohammed | H. Wang | Nonparametric Lack-of-Fit Tests in Presence of Heteroscedastic Variances | 2014 |

Sahtout, Mohammad | H. Wang | Improving the Performance of the Prediction Analysis of Microarrays Algorithm Via Different Thresholding Methods and Heteroscedastic Modeling | 2014 |

Xiang, Sijia | W. Yao | Semiparametric Mixture Models | 2014 |

Yu, Chun | W. Yao | Robust Mixture Modeling | 2014 |

Serasinghe, Roshan Niranjala | G. Gadbury | Individual Mediating Effects and the Concept of Terminal Measures Data | 2013 |

Richardson, Troy E. | G. Gadbury | Treatment Heterogeneity and Potential Outcomes in Linear Mixed Effects Models | 2013 |

Zheng, Lianqing | G. Gadbury | Statistical Identification of Metabolic Reactions Catalyzed by Gene Products of Unknown Function | 2013 |

Ramirez, Girly Manguba | H. Wang | Prediction and Variable Selection in Sparse Ultrahigh Dimensional Additive Models | 2013 |

Demel, Samuel Seth | J. Du | Modeling and Computations of Multivariate Datasets in Space and Time | 2013 |

Keating, Karen | G. Gadbury | Statistical Analysis of Pyrosequence Data | 2012 |

Magalla, Champa | J. Neill | Model Adequacy Tests for Exponential Family Regression Models | 2012 |

Xie, Lin | P. Nelson | Statistical Inference For Rankings in the Presence of Panel Segmentation | 2012 |

Paranagama, Dilan | G. Gadbury | Correlation and Variance Stabilization in the Two Group Comparison Case in High Dimensional Data Under Dependencies | 2011 |

Samarakoon, Nishantha | W. Song | Conditional Variance Function Checking in Heteroscedastic Regression Models | 2011 |

Dey, Rajarshi | P. Nelson | Inference For the K-Sample Problem Based on Precedence Probabilities | 2011 |

Poulson, Robert | G. Gadbury | Treatment Heterogeneity and Individual Qualitative Interaction | 2011 |

Shrestha, Tej | W. Song | Algevraic Deformation of a Momoidal Category | 2010 |

Tolos, Siti | H. Wang | NonParametric Tests to Detect Relationship between Variables in the Presence of Heteroscedastic Treatment Effects | 2010 |

Anderson, Michael | S. Dubnicka | Bayesian Classification of DNA Barcodes | 2009 |

Jung, Yoonsung | D. Johnson | Tests for Unequal Treatment Variances In Crossover Design | 2009 |

Ling, Yan | P. Nelson | Inference for the Intrinsic Separation Among Distributions Which May Differ in Location and Scale | 2009 |

Munasinghe, Wijith | J. Neill | Cluster Based Lack of Fit Tests for NonLinear Regression Models | 2009 |

Ndum, Edwin | G. Gadbury | Individual Treatment Effect Heterogeneity In Multiple Time Points Trials | 2009 |

Tang, Zhongwen | S. Yang | Lof of Logistic Gee Models and Cost Efficient Bayesian Optimal Designs for Nonlinear Combinations of Parameters in Nonlinear Regression Models | 2008 |

Von Borries, George Freitas | H. Wang | Partition Clustering of High Dimensional Low Sample Size Data Based on P-Values | 2008 |

Zhang , Ke (Kurt) | H. Wang | Inference of Non-Parametric Hypothesis Testing on High Dimensional Longitudinal Data at its Application in DN Copy Number Variation and Microarray Data Analysis | 2008 |

Liu, Ying | S. Yang | On Goodness-Of-Fit Of Logistic Regression Model | 2007 |

Bsharat, Rebhi S. | J. Higgins | Evaluation of nCk Estimators | 2007 |

Fang, Liang | D. Johnson | An Intra-Class Correlation Model For Under-Replicated Split-Split-Plot Experiments | 2005 |

Kang, Qing | P. Nelson | Nonparametric Tests for a Size-Biased Sample | 2005 |

Vahl, Chris | G. Milliken | Algorithms for Constructing D-Optimal Designs for Multilevel Experiments | 2005 |

Lee, Eun-Joo | D. Johnson | Statistical Analysis Software for Multiplicative Interaction Models | 2004 |

Perrett, Jamis | J. Higgins | Using Information on the Intra-class Correlation Coefficient for Hypothesis Testing in Unreplicated and Under-replicated Experiments. | 2004 |

Sy, Oumar | G. Milliken | Multilevel Mediation Analysis: Applications and Estimation | 2004 |

Al-Haj Ebrahem, Mohammed Hassan | J. Higgins | Nonparametric Accelerated Degradation Models in Life-Testing | 2003 |

McGaughey, Karen J. | G. Milliken | Variance Testing with Data Depth | 2003 |

Shanga, Gilbert | D. Johnson | Analysis of Crossover Designs When Treatments Have Unequal Variances | 2003 |

Su, Zhaohui | S. Yang | Inference on Some Linear Mixed-Effect Models and Testing Lack-of-Fit for Experiments Without Replication | 2003 |

Taylor, Veronica | G. Milliken | The Use of Three Partial Areas for Establishing Bioequivalence and Estimation of Sample Size for Equivalence Studies | 2003 |

Malone, Chris | T. Loughin | The Analysis of Location and Dispersion Effects in Unreplicated 2k Factorial Experiments | 2002 |

Zhang, Ying | P. Nelson | Parameter Estimation in Continuous and Discrete Time Queues Using Queue Length and Waiting Time Data | 2001 |

Bilder, Chris | T. Loughin | Testing for Marginal Independence with Pick Any/c Variables | 2000 |

Perera, Subashan | P. Nelson | Autoregressive Time Series Models with Exponential Marginal Distributions | 2000 |

Brown, Duane David | J. Neill | Multiresponse Lack-of-fit Tests for Non-replicated Data | 1999 |

Chen, Yih-Fen | S. Yang | Significance Tests for Unreplicated Experiments | 1999 |

McCarter, Kevin | P. Nelson | Estimation and Prediction for the Birnbaum-saunders Distribution Using Type-ii Censored Samples, with a Comparison to the Inverse Gaussian Distribution | 1999 |

Wang, Yuhua | D. Johnson | The Analysis of Count Data in a One-way Layout and a New Bivariate Negative Binomial Distribution | 1999 |

Yu, Qifeng | S. Yang | Fitting Linear Mixed Effects Model with Heterogeneous Correlated Data via Ecm Algorithm | 1999 |

Alhadeed, Abdulla Ahmed | S. Yang | Models for Step-stress Accelerated Life Testing | 1998 |

Ballou, Lynda | D. Johnson | Prediction Intervals and Lack-of-fit Tests for Neural Networks | 1998 |

Moore, Terri Lynne | G. Milliken | Lack-of-fit Tests and Goodness-of-fit Measures for Mixed Models | 1998 |

Strand, Matthew Joseph | J. Higgins | Extensions in Inference for Lattice-ordered Means: Isotonic Regression and Hypothesis Tests | 1998 |

Butine, Michael David | G. Milliken | A Comparison of Methods for Analyzing Binomial Data in a Mixed Models Setting | 1997 |

Chartier, Kevin K. | G. Milliken & J. Boyer | Robust Analysis of Scale | 1997 |

Chen, Shaohsin | S. Keller-McNulty | Adaptive Local Smoothing Methods for Turbulent Reactive Flow Models | 1997 |

Gibson, Eric William Barnes | J. Higgins | Goodness of Fit Tests for Composite Hypotheses with Left or Right Censored Data | 1997 |

Lancaster, Vicki | S. Keller-McNulty | The Use of Inverse Theory on Ill-posed Composite Sampling Problems | 1997 |

Xiong, Chengjie | G. Milliken | Wavelet Nonparametric Regression and Chaotic Time Series | 1997 |

Al-Zaid, Munther | S. Yang | Iterative Two-stage Procedures for Fitting Mixed Effects Models | 1996 |

Bond, Marjorie | J. Higgins | Using Prior Knowledge of the Intraclass Correlation to Increase the Power of Hypothesis Tests for Treatment Means | 1996 |

Curriero, Frank C. | P. Nelson | The Use of Non-euclidean Distances in Geostatistics | 1996 |

Khamis, Imad | J. Higgins | A New Model for Step Stress Testing | 1996 |

Sherfey, Brian W. | J. Neill | Near Replicate Clustering Criteria for Nonreplicated Regression Lack of Fit Tests | 1996 |

Al-Shiha, Abdullah | S. Yang | Inference for Unreplicated Two-level Factorials and Two-way Classification Experiments | 1995 |

Fergen, Brian James | G. Milliken | On the Mixed Model Estimator | 1995 |

Mustofa, | S. Perng | Testing Hypotheses in a Split Plot Design When Some Observations Are Missing | 1995 |

Njuho, Peter | G. Milliken | Using Mixed Models to Analyze Data from On-farm Trials | 1995 |

Wickremasinghe, Nimal | D. Johnson | Testing Subhypotheses in the Nonreplicated Three-way Multiplicative Interaction Model | 1995 |

Bain, Patrick Timothy | J. Higgins | Tests of Hypotheses and Measures of Concordance for Lattice Ordered Means | 1994 |

Chen, Guang | S. Keller-McNulty | Estimation of Identification Disclosure Risk in Microdata | 1994 |

Fernando, Indrasiri | G. Milliken | Combined Estimability | 1994 |

Goad, Carla Lynn | D. Johnson | Multivariate and Mixed Models Analyses of Crossover Designs with More than Two Periods | 1994 |

Choi, Jaesung | G. Milliken | A Generalized Mixed-effects Model for Categorical Data | 1993 |

Dong, Jian | G. Milliken | Simultaneous Optimization of Multiple-response Linear Models by Using the Stationary Point Procedure | 1993 |

Chang, Kuo-Hsing | J. Higgins | A Power Study for One-sided Multivariate Tests | 1992 |

Remmenga, Marta Dee | D. Johnson | On Inference Procedures in Unbalanced Split-plot Designs | 1992 |

Gan, Gaoxiong | J. Neill & G. Milliken | A Generalized Moment Generating Function with Application to Extreme Value Distribution Theory | 1991 |

Jayawardene, Uditha Sumedha | S. Yang | Some Nonparametric Test Procedures for Comparing Two Distribution Functions | 1991 |

Mannan, Muhammad Abdul | R. Nassar | Test Statistics for Contingency Tables | 1991 |

Tashtoush, Suleiman Mohammed | J. Higgins | The Small Sample Power of Aligned Rank Transform Tests in Factorial Experimental Designs | 1991 |

Harris, Theodore Robert | D. Johnson | Prediction of Plant Canopy Temperature Through Remote Sensing in the Presence of Spatial Trend and Spatial Correlation | 1990 |

Hwang, Ching-Chang | S. Perng | Hypothesis Testing in Linear Models Having a Nested Error Structure | 1990 |

Neogi, Debashis | R. Nassar | Stochastic, Fractal and Chaotic Modeling of Multiphase Flow Systems | 1990 |

Ogunyemi, Theophilus Olabode | P. Nelson | Simplified, Two-stage Estimators and a Bayes Type Modification of Maximum Quasi-likelihood Estimators | 1990 |

Tafour, Aly Awad | R. Nassar | Maximum Likelihood Estimators of Regression Parameters with Randomly Censored Lifetime Data | 1990 |

Chiou, Yow Yeu | S. Perng | Statistical Procedures for Sampling Inspection Problem | 1988 |

Weerakkody, Govinda Jayanath | D. Johnson | Multiple Regression Models Having a Nested Error Structure | 1988 |

Chou, Song-Tien | R. Nassar | Stochastic Modeling and Experimental Analysis of Deep-bed and Semifluidized-bed Filtration | 1987 |

Clason, Dennis Leon | G. Milliken | Using Moving Averages to Detrend Linear Models | 1987 |

Siepman, Howard R. | S. Yang | Estimation for the Multiple Response Model Complete and Incomplete Data Arrays | 1987 |

Wasserstein, Ronald L. | J. Boyer | Robust Permutation Tests for Scale Parameters | 1987 |

Ageli, Ali Husein | G. Milliken | Residuals and Residual Diagnostics in Non-linear Regression Models | 1986 |

Elamaari, Ali A. | S. Yang | Two Sample Nonparametric Procedures for Censored and Uncensored Data | 1986 |

Fermin, Jose Simon | G. Milliken | Noninteractive Mathematical Models for Quantal Responses to Mixtures of Compounds | 1986 |

Bugaighis, Mohamed M. | J. Higgins | Small Sample Properties of Estimates of Weibull Regression Parameters | 1985 |

Juico (Samaranayake), Yolanda T. | D. Johnson | Methods of Estimating the Parameters of the Gamma-poisson Marginal Distribution | 1985 |

Johnston, Denise Ann Farha | S. Perng | Likelihood Ratio and Optimal Rank Test Procedures for Populations with Linearly Related Parameters | 1984 |

Ordonez, Jr., Alfred Abelard | Applications of Sequential Methods in Observational Studies | 1984 | |

Palacio, June R. | Managerial Work in Hospital Dietetic Services: the Effect of Organizational Level and Practice Area | 1984 | |

Albohali, Mohamed | G. Milliken | A Time Series Approach to the Analysis of Repeated Measures Designs | 1983 |

Larson, Linda L. | The Effects of Age and Sex on the Perceptions of Student Services by Students in a Community College | 1983 | |

Samaranayake, Vanniarachchige Amarasiri | D. Johnson | Asymptotic Properties of Sample Autocorrelations, Least Squares Estimators and Predictors of Non-stationary Multivariate Time Series | 1983 |

Ash, Katherine | Use of Interblock Information in Analysis of Covariance, and Some Repeated Measures Covariance Models | 1982 | |

Levy, Martin Stuart | S. Perng | On Prediction Functions | 1982 |

Neill, James William | D. Johnson | Testing Regression Function Adequacy Without Replication | 1982 |

Schwenke, James | G. Milliken | Using a Hold-out Data Set in a Cross-validation Scheme to Test for Instability of Regression Estimates | 1982 |

Khojasteh-Marzlarani, Morteza | 1981 | ||

McGuire, Stephen A. | R. Rubison | Discrimination Using Multivariate Bernoulli Random Variables with Applications in Physical Anthropology | 1981 |

Marasinghe, Mervyn G. | D. Johnson | Testing Subhypotheses in the Multiplicative Interaction Model | 1980 |

Mira, Seham Ismail | D. Johnson | Interaction in Two-way Covariance Models with One Observation per Cell | 1980 |

Gironella, Ann Inez Nolasco | On Some Robust Procedures in the Analysis of Linear Models | 1978 | |

Hamito, Desta | R. Massar | Linkage Disequilibrium: Distributions and Hypotheses Testing | 1978 |

Applebaugh, Gwendolyn Neul | A. Dayton | Statistical Application to Flavor Profile Analysis and an Iterative Procedure for Analyzing a Two-way Classification | 1977 |

Applebaugh, William | Methods of Estimating Parameters of the Distribution of the Diameters of Circles on a Plane Using Random Chord Lengths | 1977 | |

Culp, David B. | K. Kemp | Estimation of Genetic Parameters | 1977 |

Gill, Dhanwant Singh | M. Siotani | The Doubly Noncentral Distribution of Wilks’ a Statistic and its Application to Multivariate Analysis of Variance | 1977 |

Johnson, Paulette Mae | G. Milliken | A Two-step Procedure for Analyzing Fixed and Random Effects Nonlinear Models and Nonlinear Errors-in-variable Models | 1977 |

Loschcke, Christian | M. Siotani | On the Distribution of a Coefficient of Multiple Association | 1977 |

Sebaugh, Jeanne L. | G. Milliken | The Threshold Point Model | 1977 |

Hussein, Mohammed Taib | G. Milliken | Analysis of Unbalanced Models Involving Random Effects with Unequal Variances | 1976 |

McGee, Robert Irvin | M. Siotani | Comparison of the W* and the Z* Procedures in Covariate Discriminant Analysis | 1976 |

Bell, Graydon Willis | R. Waller | Parameter Estimation in Functional Relationships | 1974 |

Bird, Howard Alan | G. Milliken | Estimable Functions in the Nonlinear Model | 1974 |

Khorasani, Fariborz | G. Milliken | Simultaneous Confidence Bands for Non-linear Regression Models | 1974 |

Meier, Robert | Maximum Likelihood Estimation of Selection in a Stationary Distribution of Gene Frequencies | 1974 | |

Rock, Glenn William | R. Waller | Maximum Likelihood Estimator for Time Dependent Availability | 1974 |

Wang, Miin-Nan | S. Perng | Fixed-width Interval Estimation after Preliminary Test | 1974 |

Yamashita, Donald Kenji | Hypothesis Testing in Nonlinear Models Using Linear Analysis | 1974 | |

Asrabadi, Badiollah Rostami | R. Waller | Development of a Bivariate Double Exponential Model and Discrimination among Bivariate Probability Models | 1973 |

Bowser, Robert Dwight | S. Perng | On the Equality of Means of Two Normal Distributions with Equal Coefficients of Variation | 1973 |

Campbell, Robert Allen | G. Milliken | Analysis of a Class of Nonlinear Mixed Models | 1973 |

Chase, Ronald Gene | R. Waller | Inference Techniques for Truncated Binomial Distributions of the Lower Type | 1973 |

Heltshe, James F. | R. Waller | A Modified Birth-death Model for Population Growth and Regulation | 1973 |

Higa, Isamu | A. Feyerherm | Waiting Times for the (S-1,s) Inventory Model | 1973 |

Hobbs, Jr., Gerald R. | W. Conover | Some Results on the Theory of Rank Tests for Two or More Samples from Categorical Populations | 1973 |

Iman, Ronald L. | W. Conover | On the Distribution Functions of Rank Statistics under the Null and Alternative Hypotheses for the One- and Two-sample Problems, and the Two-way Classification Model with Interaction | 1973 |

Rodriguez, Luis Hernan C. | L. McDonald | Moment Generating Function and Moments of a Wishart Matrix with Related Problems in Manova | 1973 |

Bement, Thomas Robert | G. Milliken | Estimation in an Incomplete Block Design When Block Effects Are Random and Correlated | 1972 |

Chou, Charissa Jar-Rong Ka | M. Siotani | An Asymptotic Expansion of the Non-null Distribution of the Ratio of Two Hotelling’s Generalized FUNC {T _o ^2 } - Statistics | 1972 |

Coyne, Lolafaye | A. Feyerherm | A Relationship Between Hierarchical Factor Structure and Patterned Matrices of the Compound Symmetric Type | 1972 |

Duncan, Janet Lee | R. Waller | The Poisson Process Applied to the Study of Leukemia in Time and Space | 1972 |

Geng, Shu | M. Siotani | Distributions with a Finite Number of Maximum Latent Roots of Manova Matrices | 1972 |

Groves, John Edward | S. Perng | On Partitioning a Set of Populations with Respect to a Control | 1972 |

Machado, Arlette Lourdes | A. Feyerherm | Some Probability Distributions for Customer Mailing Times | 1972 |

Machado, Leopoldo Alberto | G. Milliken | Non-linear Treatment by Treatment Interaction Models | 1972 |

Scott, Larry | R. Nassar | The Effect of Variable Migration and Variable Selection Intensity on the Decrease of Genetic Correlation with Distance | 1972 |

Debruin, Robert Lee | G. Milliken | Testing Hypotheses for Nonlinear Models | 1971 |

Eklund, Darrel Lee | R. Waller | On Cluster Sampling | 1971 |

Ison, Marietta M. | G. Milliken | Extensions of the Linear Model for Categorical Data | 1971 |

Bandes, Stephan | W. Conover | Average Error Probabilities in Composite Hypothesis Testing Situations | 1970 |

Ison, Norberto T. | A. Feyerherm | A Distribution Function for Amount of Precipitation During a Wet Spell | 1970 |

Keith, Lonnie Williams | W. Conover | Nearly Distribution-free Tests for Equal Variances in Two Populations When the Means Are Unknown | 1970 |

Knowles, Walter Eaton | A Feyerherm | Optimal Equally-spaced Designs for Polynomial Models | 1970 |

Cook, Dennis Leon | 1970 | ||

Beckman, Richard Joseph | U. Banujic | Randomized Spring Balance Weighing Designs | 1969 |

Carr, Raymond N. | R. Nassar | Effects of Selection and Random Sampling on the Probability of and the Expected Time to Fixation of a Favorable Allele | 1969 |

Chiang, Chi-Yung | S. Zacks | Bayes Sequential Control Procedures Against a Possible Shift in the Mean of a Normal Distribution at Unknown Time Points | 1969 |

Grosh, Doris Lloyd | S. Zacks | Bayes One- and Two-stage Stratified Sampling Schemes for Finite Populations with Beta-binomial Prior Distributions | 1969 |

Krueger, David Donald | A. Feyerherm | Distribution of Due-out Times for Recoverable Items | 1969 |

Lohrding, Ronald Keith | W. Conover | Likelihood Ratio Tests of Equal Means When the Variances Are Heterogeneous | 1969 |

Stephenson, Hal Warren | A. Feyerherm | The Role of Covariance in the Analysis of Autocorrelation Stationary Stochastic Processes | 1969 |

Worthley, Reginald Gerald | U. Banujic | On the Use of Finite Algebras in the Construction of Confounding Plans for Mixed Factorial Experiments | 1969 |

Johnston, James William | W. Conover | A Distribution-free Test of Interaction for Rxc Factorial Experiments with One Observation per Cell | 1968 |

Lee, Sung-Wook | S. Zacks | Nonparametric Procedure for Testing a Possible Change in Continuous Distribution Laws at an Unknown Time Point | 1968 |

Lentner, Marvin Meinrad | S. Zacks | Application of Generalized Inverses for the Optimal Design and Analysis of Randomized Fractional Replicates | 1967 |