[R] access sublists by a variable
djmuser at gmail.com
Wed Nov 16 19:20:08 CET 2011
Try dict[[a]] rather than dict$a, and read the section on lists in the
Introduction to R manual to learn how to properly index them.
On Wed, Nov 16, 2011 at 7:16 AM, Antje Gruner <ntj at allesjetzt.net> wrote:
> Dear list,
> I'd like to access the elements of a list within another list with the
> help of a variable.
> dict <- list( "24" = c(1,2,3,6,12,24,48,72,96,120,144,168,720),
> "168" = c(1,12,24,48,72,96,120,144,168,336,504,672),
> "8760" = c(1,24,168,730,4380,8760)
> dict$"24" works fine, but
> a <- "24"
> returns NULL
> Unfortunately dict[a] does not work for me, because I see no possibility
> to access the inner elements of list "24" in that case
> i.e. dict[a] returns the whole list and not the first element.
> What is the correct syntax to access those elements with the help of a
> Thanks in advance
> R-help at r-project.org mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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