[R] Dimensions of a List

[Henrique Dallazuanna]

Maybe something like this:

lis <- lapply(l, lapply, length)
names(lis) <- lapply(l, length)

On 25/03/2008, Shubha Vishwanath Karanth <shubhak at ambaresearch.com> wrote:
> Thanks a lot for your reply...Exactly...I need the same...But can I store these numbers and hence can access further? In other words how do I extract the numbers/dimensions from this class?
>
>  Shubha Karanth | Amba Research
>  Ph +91 80 3980 8031 | Mob +91 94 4886 4510
>  Bangalore * Colombo * London * New York * San José * Singapore * www.ambaresearch.com
>
>
>  -----Original Message-----
>  From: jim holtman [mailto:jholtman at gmail.com]
>  Sent: Tuesday, March 25, 2008 9:21 PM
>  To: Shubha Vishwanath Karanth
>  Cc: r-help at stat.math.ethz.ch
>  Subject: Re: [R] Dimensions of a List
>
>  Is this what you want?
>
>  > l=list(list(c(1,2),c(4,5),c(6,7)),list(c(11,22,33),c(44,55,66)))
>  > str(l)
>  List of 2
>   $ :List of 3
>   ..$ : num [1:2] 1 2
>   ..$ : num [1:2] 4 5
>   ..$ : num [1:2] 6 7
>   $ :List of 2
>   ..$ : num [1:3] 11 22 33
>   ..$ : num [1:3] 44 55 66
>  >
>
>
>
>  On 3/25/08, Shubha Vishwanath Karanth <shubhak at ambaresearch.com> wrote:
>  > Hi R,
>  >
>  >
>  >
>  > I have a list,
>  >
>  >
>  >
>  > l=list(list(c(1,2),c(4,5),c(6,7)),list(c(11,22,33),c(44,55,66)))
>  >
>  >
>  >
>  > > l
>  >
>  > [[1]]
>  >
>  > [[1]][[1]]
>  >
>  > [1] 1 2
>  >
>  >
>  >
>  > [[1]][[2]]
>  >
>  > [1] 4 5
>  >
>  >
>  >
>  > [[1]][[3]]
>  >
>  > [1] 6 7
>  >
>  >
>  >
>  >
>  >
>  > [[2]]
>  >
>  > [[2]][[1]]
>  >
>  > [1] 11 22 33
>  >
>  >
>  >
>  > [[2]][[2]]
>  >
>  > [1] 44 55 66
>  >
>  >
>  >
>  >
>  >
>  > How do I know the dimensions of this list?... In other words, how many
>  > sub-lists, sub-sub-lists etc...are there in l? How do I know this?
>  >
>  >
>  >
>  > Thanks in advance
>  >
>  > Shubha
>  >
>  > This e-mail may contain confidential and/or privileged i...{{dropped:13}}
>  >
>  > ______________________________________________
>  > R-help at r-project.org mailing list
>  > https://stat.ethz.ch/mailman/listinfo/r-help
>  > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>  > and provide commented, minimal, self-contained, reproducible code.
>  >
>
>
>  --
>  Jim Holtman
>  Cincinnati, OH
>  +1 513 646 9390
>
>  What is the problem you are trying to solve?
>
> This e-mail may contain confidential and/or privileged i...{{dropped:10}}
>
>
>  ______________________________________________
>  R-help at r-project.org mailing list
>  https://stat.ethz.ch/mailman/listinfo/r-help
>  PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>  and provide commented, minimal, self-contained, reproducible code.
>


-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O