Norbert Billet <[EMAIL PROTECTED]> writes:
> hello ( and sorry for my poor english ... )
>
> I'm a newbie on R software and I need to obtain this kind of system :
>
> a structure, like a liste :
>
> my_struct <- list()
> my_struct$a <- a_value
> my_struct$b <- another_value
> my_struct$c <- one_more_value
>
> and a function with two args : the first is a instance of the
> structure, and the second is any component of the structure (here $a,
> $b or $c) and the function will do some transformations on this
> component :
>
> my_func <- function(a_struct, a_comp)
> {
> a_comp <- transformationFunct(a_comp)
> a_result <- someComputation(a_struct)
>
> return(a_result) }
If I catch your drift, you're looking for something like
my_func <- function(a_struct, a_name) {
a_struct[[a_name]] <- transformationFunct(a_struct[[a_name]])
someComputation(a_struct)
}
my_func(my_struct, "b")
or maybe even a loop over all components with
lapply(names(my_struct), my_func, a_struct=my_struct)
> In reallity, the structure have lot of components (+/- 40) who are
> input parameters for a time discret model and this function is to do
> selective sensitivity analysis.
>
> Thanks in advance for this information and thanks for doing a open
> high quality software.
>
> Norbert
--
O__ ---- Peter Dalgaard Blegdamsvej 3
c/ /'_ --- Dept. of Biostatistics 2200 Cph. N
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907
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