Non-parametric tests are used when standard assumptions are not available. These tests don’t rely on distributions, often ...

Trial-based economic evaluations are typically performed on cross-sectional variables, derived from the responses for only the completers in the study, using methods that ignore the complexities of ...

This is a preview. Log in through your library . Abstract Since longitudinal and survival data are often obtained together in applications, studies on joint modelling that reveal the relationship ...