Introduction to Survival analysis in R
Presentation for the Manchester University Faculty of Life Sciences R user group on 25/03/2014. Concentrating on Cox PH models
Speeding up your R code - vectorisation tricks for beginners
A beginners tutorial with some ideas for replacing for loops with vectorised functions to give faster, more concise code.
Subsetting in R: Spring cleaning your data
A beginners tutorial on subsetting and cleaning data in R