Browsing Theses by Supervisor "Dubin, Joel"
Now showing items 1-6 of 6
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Causal Inference and Matrix Completion with Correlated Incomplete Data
(University of Waterloo, 2023-01-19)Missing data problems are frequently encountered in biomedical research, social sciences, and environmental studies. When data are missing completely at random, a complete-case analysis may be the easiest approach. However, ... -
Estimation and prediction methods for univariate and bivariate cyclic longitudinal data using a semiparametric stochastic mixed effects model
(University of Waterloo, 2018-06-19)In this thesis, I propose and consider inference for a semiparametric stochastic mixed model for bivariate longitudinal data; and provide a prediction procedure of a future cycle utilizing past cycle information. This ... -
Longitudinal Patterns of Cognitive State Changes and their Predictors in Older Adults
(University of Waterloo, 2020-02-03)Older adults experience diverse patterns of cognitive state changes, including progression to dementia, that depend on genetic and non-genetic factors. With population aging, the global prevalence of dementia is rising. ... -
New Methods for Improving Accuracy in Three Distinct Predictive Modeling Problems
(University of Waterloo, 2018-08-22)People are often interested in predicting a new or future observation. In clinical prediction, the uptake of Electronic Health Records (EHRs) has generated massive health datasets that are big in volume and diverse in ... -
Toward Precision Medicine in Intensive Care: Leveraging Electronic Health Records and Patient Similarity
(University of Waterloo, 2019-05-28)The growing adoption of Electronic Health Record (EHR) systems has resulted in an unprecedented amount of data. This availability of data has also opened up the opportunity to utilize EHRs for providing more customized ... -
Using Decision Trees to Examine the Influence of the School Environment on Youth Mental Health
(University of Waterloo, 2022-12-22)Youth mental health is a current public health priority in Canada, with nearly one in four young people living with a mental illness. The contextual school environment can be particularly influential given the considerable ...