On Mon, 13 Sep 2004, Frank Samuelson wrote:
> I'm running R-2.0.0 (yesterday's snapshot)in its own
> directory, and everything
> works great, except:
>
> > .Random.seed
> Error: Object ".Random.seed" not found
>
> Does 2.0.0 not use .Random.seed for saving, etc,
> like it says in the help page?
`Like it says on the help page'!
Initially, there is no seed; a new one is created from the
current time when one is required. Hence, different sessions will
give different simulation results, by default.
'.Random.seed' is an integer vector, containing the random number
generator (RNG) *state* for random number generation in R. It can
be saved and restored, but should not be altered by the user.
So .Random.seed does not exist until the state does. It will after
runif(1).
--
Brian D. Ripley, [EMAIL PROTECTED]
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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