This open access book focuses on making the transition from in-person, classroom education to other feasible alternative modes and methodologies to deliver education at all levels. The book presents and analyzes research questions to explore in this arena, including pedagogical issues relating to technological and infrastructure challenges, teacher professional development, issues of disparity,…
In survival analysis, time-varying covariates are endogenous when their measurements are directly related to the event status and incomplete information occur at random points during the follow-up. Consequently, the time-dependent Cox model leads to biased estimates. Joint models (JM) allow to correctly estimate these associations combining a survival and longitudinal sub-models by means of a s…