[R] list assignment syntax?
jtor14 at gmail.com
Sat Mar 31 02:08:23 CEST 2012
You can also take a look at
which has some additional solutions.
On Fri, Mar 30, 2012 at 4:49 PM, Peter Ehlers <ehlers at ucalgary.ca> wrote:
> On 2012-03-30 15:40, ivo welch wrote:
>> Dear R wizards: is there a clean way to assign to elements in a list?
>> what I would like to do, in pseudo R+perl notation is
>> f<- function(a,b) list(a+b,a-b)
>> (c,d)<- f(1,2)
>> and have c be assigned 1+2 and d be assigned 1-2. right now, I use the
>> x<- f(1,2
>> c<- x[]
>> d<- x[]
>> which seems awful. is there a nicer syntax?
>> regards, /iaw
>> Ivo Welch (ivo.welch at brown.edu, ivo.welch at gmail.com)
> I must be missing something. Why not just assign to a
> vector instead of a list?
> f<- function(a,b) c(a+b,a-b)
> If it's imperative that f return a list, then you
> could use
> (c, d) <- unlist(f(a, b))
> to get vector (c, d).
> Peter Ehlers
> 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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