[R] Sub-vector

[Gabor Grothendieck]

Try this:

with(rle(a), any(lengths[values]>1))


On 3/29/06, Wuming Gong <wuming.gong at gmail.com> wrote:
> Dear list,
>
> Given a vector of logical values, say
>
> >a <- c(TRUE,TRUE,TRUE,FALSE,FALSE,FALSE,FALSE,TRUE,TRUE,TRUE)
>
> Are there any R functions that can tell whether there are two or more
> "TRUE" in a row in this vector?
>
> Thanks,
>
> Wuming
>
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