Browsing Waterloo Research by Author "Cook, Richard"
Now showing items 41-43 of 43
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Tracing studies in cohorts with attrition: Selection models for efficient sampling
Moon, Nathalie C.; Zeng, Leilei; Cook, Richard J. (Wiley, 2018-07-10)Cohort studies of chronic diseases involve recruitment and longitudinal followup of affected individuals with a view to studying the effect of risk factors on disease progression and death. When the time to withdrawal from ... -
A two-phase model for chronic disease processes under intermittent inspection
Wu, Ying; Cook, Richard J. (Wiley, 2017-06-15)A model is developed for chronic diseases with an indolent phase that is followed by a phase with more active disease resulting in progression and damage. The time scales for the intensity functions for the active phase ... -
Variable selection and prediction in biased samples with censored outcomes
Wu, Ying; Cook, Richard J. (Springer, 2018-01-01)With the increasing availability of large prospective disease registries, scientists studying the course of chronic conditions often have access to multiple data sources, with each source generated based on its own entry ...