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Re: rand("state")


From: Francesco Potorti`
Subject: Re: rand("state")
Date: Fri, 17 Feb 2006 16:31:49 +0100

>We are talking about choosing seeds at random with replacement.  The 
>probability that the same seed is chosen twice in a sample of size N is 
>highly sensitive to the total population size.  2^32 is not a very large 
>population size and the probability of a collision becomes worrisome when 
>N gets to 10,000 or so, but (2^32)^625 is *very* large and it makes 
>collisions nearly impossible.  It makes a lot of difference.

Right, I stay corrected.

-- 
Francesco Potortì (ricercatore)        Voice: +39 050 315 3058 (op.2111)
ISTI - Area della ricerca CNR          Fax:   +39 050 313 8091
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