Image by Andreas (Pixabay) 1 Introduction Cox proportional hazards (CoxPH) model is a common approach to study the occurrence of an event as a factor of time. In medical studies, CoxPH is used to model patient survival based on disease ty...

Photo by Negative Space (Pexels) I often find myself performing analyses looped over certain parts of the data in my Rmarkdown. I like seeing the output under different headings in the final output for easy navigation. Although it is rathe...