[R] Functions within functions in R and S-Plus
Victor Gravenholt
victor.gravenholt at gmail.com
Tue Jun 7 18:54:24 CEST 2005
Sorry to bother you about a S-Plus related problem, but I hope someone
can help.
I have tried to "translate" some code from R to S-Plus (I have colleague
that insists on using S-Plus. And yes, I have tried to make him change
to R...)
The following code works out fine in R, but in S-Plus (S-PLUS 6.2 for
Windows Professional Ed.) I get the error message "Problem in
est.theta(x): Object "func" not found ".
I have tried to keep most of the structure in my original problem (but
simplified it!), so the code could seem a bit strange.
I suspect that this has something to do with different scoping rules in
R and S-Plus, but still I have not found a workable solution in S-Plus.
mainfunc <- function(x){
est <- function(x,par){
abs(sum(par*x))
}
func <- function(par,x){
est(x,par)
}
est.theta <- function(x){
optimize(func,lower=-10, upper=20,x=x)$minimum
}
est.theta(x)
}
x <- 1:10
mainfunc(x)
Any help is greatly appreciated.
Victor
More information about the R-help
mailing list