Nothing
"srswor1" <-
function(n,N)
{j=0
s=numeric(N)
for(k in 1:N) if(runif(1)<(n-j)/(N-k+1)) {j=j+1;s[k]=1;}
s
}
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.