Re: [R] Function reference

2007-12-19 Thread Tony Plate
R does this sort of thing easily without any parse/eval acrobatics needed. E.g., you can do: > stu <- function(x) {return( 1 + (2*x*x) - (3*x) )} > (x <- 0:3) [1] 0 1 2 3 > stu(x) [1] 1 0 3 10 > metafun <- function(FUN, data) FUN(data) > metafun(stu, x) [1] 1 0 3 10 > # if you want

[R] Function reference

2007-12-19 Thread Talbot Katz
Hi. I'm looking for an R equivalent to something like function pointers in C/C++. I have a search procedure that evaluates the fitness of each point it reaches as it moves along, and decides where to move next based on its fitness evaluation. I want to be able to pass different fitness func