[R] get names of list elements

2009-10-31 Thread Chirok Han
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 __ R-help@r-project.org mailing list

Re: [R] get names of list elements

2009-10-31 Thread Ista Zahn
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@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

Re: [R] get names of list elements

2009-10-31 Thread Gabor Grothendieck
list() does not assign names but data.frame(a, b) does and can be used at least in the case shown where a and b have the same length. And, of course, a data frame is a list. a - 1:5; b - 6:10 names(data.frame(a, b)) [1] a b 2009/10/31 Chirok Han chirok@gmail.com: Hi Consider a - 1:5;