[R] get names of list elements

Ista Zahn istazahn at gmail.com
Sat Oct 31 19:11:04 CET 2009


I don't think so. You can only get the name of something that has a
name, and in this case it does not.

-Ista

2009/10/31 Chirok Han <chirok.han at gmail.com>:
> Hi
>
> Consider
>> a <- 1:5; b <- 6:10
>> x <- list(a=a,b=b)
>> y <- list(a,b)
>
> I can get c("a","b") from x using names(x). Is it also possible to get
> "a" and "b" from y? (The command "names(y)" gives NULL.)
>
> Thanks in advance.
>
> Chirok
>
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-- 
Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org



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