Re: [R] Dimensions of a List

From: Henrique Dallazuanna <wwwhsd_at_gmail.com>
Date: Tue, 25 Mar 2008 14:08:17 -0300

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

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Received on Tue 25 Mar 2008 - 18:24:51 GMT

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