On Jun 1, 2011, at 6:27 AM, christiaan pauw wrote:
Hallo Everybody
Consider the following vector
a=1:10
b=20:30
c=40:50
x=c(a,b,c)
I need a function that can tell me that there are three set of
continuos
sequences and that the first is from 1:10, the second from 20:30 and
the
third from 40:50. In other words: a,b, and c.
You probably want something like
> which(diff(x) >1)
[1] 10 21
Or perhaps what the rle function provides.
?diff
?rle
--
David Winsemius, MD
West Hartford, CT
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