[R] OT: algorithm for generating all possible combinations withreplacement

[Ales Ziberna]

Does this do what you want?
n<-10
k<-5
expand.grid(rep(list(1:n),k))

However be carful, even this small example prouces matrix with100000 rows.

Best,
Ales Ziberna
----- Original Message ----- 
From: "Globe Trotter" <itsme_410 at yahoo.com>
To: <fedora-list at redhat.com>; <r-help at stat.math.ethz.ch>
Sent: Friday, November 25, 2005 6:22 AM
Subject: [R] OT: algorithm for generating all possible combinations 
withreplacement


> Dear all,
>
> I have n objects and I want to select k of these with replacement. Do you 
> know
> of code which would generate all the possible arrangements? Note that this 
> is
> different from the selection of k of n objects without replacement and 
> wanting
> to generate all the possible permutations.
>
> Any suggestions? Existing C code would be fantastic btw, but I would be 
> happy
> with an algorithm.
>
> Best wishes!
>
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