Sean Davis wrote:
I have a binary vector and I want to find all "regions" of that vector
that are runs of TRUE (or FALSE).
> a <- rnorm(10)
> b <- a<0.5
> b
[1] TRUE TRUE TRUE FALSE TRUE FALSE TRUE TRUE TRUE TRUE
My function would return something like a list:
region[[1]] 1,3
region[[2]] 5,5
region[[3]] 7,10
Any ideas besides looping and setting start and ends directly?
?rle
Thanks,
Sean
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