[R] column of a list

[Gabor Csardi]

> lapply(a, "[[", "s")
$"2006-01-23"
[1]  7 12 12 11  4

$"2006-01-24"
[1]  3  8  8  9 12

This is what you need?

G.

On Tue, Jan 24, 2006 at 02:21:18PM +0100, Thomas Steiner wrote:
> I have a list of (same type) lists. I want to retrieve the same
> entries of all my objects in the outer list.
> eg:
> a<-list("2006-01-23"=list(r=5,s=c(7,12,12,11,4)),
> "2006-01-24"=list(r=6,s=c(3,8,8,9,12)))
> a[][["s"]]
> 
> gives NULL, but I am looking for all the s-vectors in order to plot
> and compare them (e changes to f in a day).
> Thomas
> 
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html

-- 
Csardi Gabor <csardi at rmki.kfki.hu>    MTA RMKI, ELTE TTK