Re: [R] Random unit vectors in R^{n}

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From: A.J. Rossini (rossini@blindglobe.net)
Date: Tue 27 Aug 2002 - 09:27:25 EST 

Message-id: <877kidqjz6.fsf@jeeves.blindglobe.net>

>>>>> "tom" == Tom Richards <Richards> writes:

    tom> Hello: Can you tell me if there's a simple way to generate in
    tom> R random vectors on the unit sphere in R^{n}? Additionally,
    tom> are there references for this question? Thanks in advance.

I suspect that you can generate them in R^n and then scale? (i.e.
use (x/|x|) ).

best,
-tony 

-- 
A.J. Rossini				Rsrch. Asst. Prof. of Biostatistics
U. of Washington Biostatistics		rossini@u.washington.edu	
FHCRC/SCHARP/HIV Vaccine Trials Net	rossini@scharp.org
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