you need rle(), e.g.,
x <- c(0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0)
rle(x)$lengths
I hope it helps.
Best,
Dimitris
dbajic at cnb.csic.es wrote:> Hello everyone,
>
> I am a newbie, working on a gene clustering problem, and I have problems
> in summarizing a logical string into number of repeats of each value. In
> other words, how could I obtain from
>
> 0 1 1 1 0 0 0 0 1 1 0 1 0 0
>
> this: 1 3 4 2 1 1 2
>
> so a string that gives me the number of repeated values, no matter zeros
> or ones.
>
> I've been diving in the manuals and the mailing list but, nothing
> interesting, apparently... I would be very grateful if anyone could give
> me some advice.
>
> Djordje Bajic
> Logic of Genomic Systems Lab
> Centro Nacional De Biotecnolog?a - CSIC
> Cantoblanco, Madrid, Espa?a
>
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> PLEASE do read the posting guide
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> and provide commented, minimal, self-contained, reproducible code.
>
--
Dimitris Rizopoulos
Assistant Professor
Department of Biostatistics
Erasmus University Medical Center
Address: PO Box 2040, 3000 CA Rotterdam, the Netherlands
Tel: +31/(0)10/7043478
Fax: +31/(0)10/7043014