[R] repeat until function

John Fox jfox at mcmaster.ca
Wed Nov 12 15:47:39 CET 2003

Dear Ragnhild,

You can break out of a loop (see ?break), but, if I understand correctly 
what you want, why not just use sample(max, N)?


At 02:26 PM 11/12/2003 +0000, Ragnhild Sørum wrote:
>I'm in this situation:
>I what to generate N random numbers(integer) that are different from each 
>One suggestion:
>tabel <- rep(NULL, N)
>for (i in 1:N){
>   temp <- as.integer(runif(1,1,max))
>   if(temp in tabel) {
>       repeat (?) (temp <- as.integer(runif(i,i,max)))
>       until (?) ((temp in tabel) ==FALSE)
>   }
>   else{ tabel[i] <- temp}
>I can't use repeat/until - don't exist....
>Any suggestions?

John Fox
Department of Sociology
McMaster University
Hamilton, Ontario, Canada L8S 4M4
email: jfox at mcmaster.ca
phone: 905-525-9140x23604
web: www.socsci.mcmaster.ca/jfox

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