I haven't quite figured out how I can change the environment of a function.
I have a main function and want to use different auxillary functions, which I supply as parameter (or names). What I want to do is something like this:
 
main.fun=function(aux.fun,dat){
  x <- 1
  fun.dat()
}
 
aux.fun.one=function(){
  mean(dat)+x
}
 
aux.fun.one=function(){
  median(dat)-x
}
 
I don't want to transfer the dat variable as a parameter as it can get pretty large. The enclosing environment of both auxillary functions is the Global environ, so they cannot see neither dat nor x as they exist inside the scope of the main function. So how do I do this?
 
Thanks,
 
René

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