[R] ask for help

[jim holtman]

rle

Jim Holtman
Data Munger Guru

What is the problem that you are trying to solve?
Tell me what you want to do, not how you want to do it.


On Wed, Aug 6, 2014 at 10:12 PM, Johnnycz <johnnycz at yeah.net> wrote:
> Hello,everybody,
>          I have a sequence,like a<-c(1,1,1,0,0,1,1,1,1,1,1,0,0,0,0,1,1,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1),how to get the position of each first 1 and 0, that's to say, how to get b<-c(1,6,16,23) for first 1 and d<-c(4,12,18) for first 0.
>         Many thanks!
> Johnny
>         [[alternative HTML version deleted]]
>
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