Disease progression manifests through a broad spectrum of statically and longitudinally linked clinical features and outcomes. This leads to heterogeneous progression patterns that may vary greatly across individual patients and makes the survival and quality of a patient’s life…
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In many clinical studies, the outcome of interest is an event time. In addition, longitudinal data on biomarkers may be collected, and such information may provide insight into underlying disease risk or severity. The goal in this dissertation is to develop models and estimation…
Darren William Hearn: Combining Individual Kinetic and Kinematic Profiles: A Novel Approach to Injury Prevention(Under the direction of Darin Anthony Padua)
This dissertation consists of three essays which explore scenarios where data quality issues interfere with the goals of empirical research. These situations motivate closer analysis of existing econometric methods and even the provision of new methods to account for the deficie…
This thesis studies two aspects of the statistical analysis of complex data in survival and event history analysis. After a short introduction to survival and event history analysis in Chapter 1, we proposed a multivariate proportional intensity factor model for multivariate cou…
The following dissertation contains two distinct empirical essays which contribute to the overall field of Financial Economics. Chapter 1, entitled "The Determinants of Dynamic Dependence: An Analysis of Commodity Futures and Equity Markets," examines the determinants of the dyn…
Objectives: This retrospective cohort study aimed to assess the survival time and factors associated with survival of anterior composite-resin restoration placed at the University of Iowa, College of Dentistry (UICOD). Methods: Patients at the UICOD who had anterior composite re…
Why do some leaders deliberately foster ethnic hatred and exclusion even though such a policy increases the risk of ethnic conflict? Contrary to common belief, I find that ethnic exclusion is good politics (but not good policy) for non-democratic leaders with small winning coali…