[R] I think simple R question

[roger koenker]

see ?rle


url:    www.econ.uiuc.edu/~roger            Roger Koenker
email    rkoenker at uiuc.edu            Department of Economics
vox:     217-333-4558                University of Illinois
fax:       217-244-6678                Champaign, IL 61820


On Jan 12, 2006, at 9:56 AM, Mark Leeds wrote:

> I have a vector x with #'s ( 1 or -1 in them ) in it and I want to
> "mark" a new vector with the sign of the value of the a streak
> of H where H = some number ( at the next spot in the vector )
>
> So, say H was equal to 3 and
> I had a vector of
>
> [1]  [2]  [3]  [4]  [5]   [6]  [7]  [8]  [9]  [10]
>
> 1   -1    1     1    1   -1    1     1  -1    -1
>
> then, I would want a function to return a new
> vector of
>
>
> [1]  [2]  [3]  [4]  [5]   [6]  [7]  [8]  [9]  [10]
>
> 0     0    0    0     0   1     0     0   0     0
>
> As I said, I used to do these things like this
> it's been a while and I'm rusty with this stuff.
>
> Without looping is preferred but looping is okay
> also.
>
>                                        Mark
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