Debugging R code using R, RStudio and wrapper functions
John Mount from Win-Vector LLC demonstrates powerfull R debugging techniques using R Studio, projects, and specializes wrapper functions. All code and examples are shared here: http://winvector.github.io/Debugging/ . Blog announcement (good place for questions and comments): http://www.win-vector.com/blog/2016/0... .
Improved versions of the debug functions are now part of the development version of the replyr package: https://github.com/WinVector/replyr .