[R] runif and sample with reproducibility

[Gabor Grothendieck]

With this sort of problem you will get better chance of
a response if you reduce your program down to a small 
reproducable example which illustrates the behavior.
Also give your R version and your OS version.

When I try running sample(100,10) repeatedly on R 1.8.1 under 
Windows 2000 Pro it works fine:

> f <- function() { set.seed(1); sample(100,10) }
> 
> a <- f()
> for(i in 1:1000) if (!identical(f(),a)) cat("not identical\n")
> 

Note that no output was produced showing the random numbers were
always the same.

---
Date: Mon, 5 Jan 2004 13:07:08 +0100 
From: Eric ESPOSITO <eric.esposito at gazdefrance.com>
To: <r-help at stat.math.ethz.ch> 
Subject: [R] runif and sample with reproducibility 

 
 
Hello,
I already sent such an email before Christmas, but nobody answered, so here
is my problem:
I would like to sample a population but the result needs to be
reproducible, using 'runif' or 'sample' is the good way to do it but I
can't manage to make the results reproducible even with the 'set.seed'
function.
My aim is that th call to 'sample(1:100,10)' gives always the same result,
how can I do that?
Thanks!

Eric Esposito

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