[R] column of a list

[Jacques VESLOT]

lapply(a,"[[","s")

Thomas Steiner a écrit :

>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
>
>  
>