summarize logical string

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

--
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