[R] create structs in R.

[Uwe Ligges]

On 14.05.2011 13:28, Alaios wrote:
> Dear all,
> so far when I want to create a struct with a substructs I create.
> Lists with sublists by using functions and replicate.
>
> This will end up in to a struct that is addressed like that
>
> for (i in c(1:100){
>    for (j in c(1:100){
>          Mystruct[[1]][[2]][[1]][[i]][[k]]<-dosomething()


You can do it recursively using a vector of indices:

Mystruct[[c(1, 2, 1, i, k)]] <- dosomething()

in order to improve readability.

Uwe Ligges


>     }
> }
> It is not hard for one to understand that this form for addressing subfields of the struct [[1]][[2]][[1]]... and so on, make hard to track which field of the strut you are addressing to. Even worse when I open my code after one week I usually take some time to understand which field I wanted to address.
>
>
> Is there something more easier that I can do to face both these types of problem?
>
> I would like to thank you in advance for your help
>
> Best Regards
> Alex
>
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