[R] statistics on "runs" of numbers

Albyn Jones jones at reed.edu
Mon Dec 8 18:16:55 CET 2008


rle(x) gives the run length encoding of x.

rle(x>0) or rle(sign(x)) will do this for positive and negative values of x.

albyn

On Mon, Dec 08, 2008 at 03:24:50PM +0000, tolga.i.uzuner at jpmorgan.com wrote:
> Dear R Users,
> 
> Is there a package or some functionality in R which returns statistics on 
> "runs" of numbers, i.e. series of numbers with similar qualities in a time 
> series ? For example, the number of +ves,-ves, histograms on cumulations 
> in runs, etc. ?
> 
> Thanks in advance,
> Tolga
> 
> 
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