[R] A problem about all possible sequences

Paul Smith
2007-04-17T14:45:06Z

On 4/17/07, Robin Hankin <r.hankin at noc.soton.ac.uk>
wrote:
> f <- function(n){expand.grid(rep(list(0:1),n))}
> f(10)
> [snip]

Thanks, Robin, that is it!

Paul


> On 17 Apr 2007, at 15:26, Paul Smith wrote:
>
> > Dear All
> >
> > Suppose a sequence of length 10 generated by the following rule: the
> > first element is 0 with 50% of probability or 1 with the same
> > probability; the second element likewise; and so on.
> >
> > Is there some R command to obtain all possible different sequences
> > formed by the above rule? I am aware that one could write a small
> > program to do that, but I am speculating about whether a command is
> > already existent.
> >
> > Thanks in advance,
> >
> > Paul
> >
> > ______________________________________________
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> > and provide commented, minimal, self-contained, reproducible code.
>
> --
> Robin Hankin
> Uncertainty Analyst
> National Oceanography Centre, Southampton
> European Way, Southampton SO14 3ZH, UK
>   tel  023-8059-7743
>
>