From: roger koenker <rkoenker_at_uiuc.edu>

Date: Fri 13 Jan 2006 - 03:27:39 EST

R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Fri Jan 13 03:35:49 2006

Date: Fri 13 Jan 2006 - 03:27:39 EST

see ?rle

url: www.econ.uiuc.edu/~roger Roger Koenker email rkoenker@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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**>
**> **********************************************************************
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R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Fri Jan 13 03:35:49 2006

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