[R] Calculating length of consecutive sequences within a vector

Jorge Molinos JGARCIAM at tcd.ie
Fri Mar 9 12:28:39 CET 2012


Thanks, rle is what I was looking for.

Jorge



________________________________________
From: R. Michael Weylandt [michael.weylandt at gmail.com]
Sent: 08 March 2012 16:29
To: Jorge Molinos
Cc: r-help at R-project.org
Subject: Re: [R] Calculating length of consecutive sequences within a vector

rle should get you started.

Michael

On Thu, Mar 8, 2012 at 9:35 AM, Jorge Molinos <JGARCIAM at tcd.ie> wrote:
> Hi all,
>
> I have a nx1 logical array of zeros and ones and I want to calculate the individual lengths of all 1-consecutive sequences contained in it. Is there an easy quick way to do this in R? So, if I have a vector such as
>
> 111001101000011111110
>
> I would like to get (1) 3, (2) 2, (3) 1, (4) 7
>
> Any help would be appreciated! thanks!
>
> Jorge
>
>        [[alternative HTML version deleted]]
>
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