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

[A.J. Rossini]

>>>>> "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 at u.washington.edu	
FHCRC/SCHARP/HIV Vaccine Trials Net	rossini at scharp.org
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