search for: packagemod

...follows: I need a modified version of some existing R package. I am well able to make the modifications in the C code of the package and can build it by R CMD. However, I would like to install and load the package differently, i.e., instead of library(packageorig) I would like to load it by library(packagemod) such that the functions names provided by the package remain identical but the library / packagename is different. More specifically, I need a different cross-validtion scheme in the package rpart. Which parts of the sources do I need to adapt? Can you point me to some resources where this kin...