Key Points Non-parametric tests are used when standard assumptions are not available. These tests don’t rely on distributions, often using real-world data instead. These tests are simple to implement, ...

Key Points The Wilcoxon Rank Sum Test is a non-parametric means of comparing data between two sets. It operates as a useful alternative to the 2-sample t-test. The Wilcoxon Rank Sum Test sometimes ...

Panel count data are commonly encountered in analysis of recurrent events where the exact event times are unobserved. To accommodate the potential non-linear covariate effect, we consider a ...